You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Myself Stephen Edwards from Washington. I have to attend a business meeting in Las Vegas in the 7th month. Can you please book a flight ticket for me?

ASSISTANT: Sure, I will help you out in booking the ticket.

USER: Thank you for your positive response.

ASSISTANT: Can you please share your travelling dates please?

USER: I want to take off on 07/25 and please confirm my return ticket also on 07/27.

ASSISTANT: May I know your departure and destination airport codes for further process?

USER: I would like to fly from IAD airport and destination airport is LAS because these two airports are very convenient for me to travel.

ASSISTANT: Just give me a moment, I will check is there any flight available or not in this route as per your requested dates.

USER: Sure, take your time and find a best flight for me.

ASSISTANT: I found a flight 1006 of UA airlines matches with your preferences, Shall I confirm this flight ticket for you?

USER: Can you please specify the connection limit of this airline?

ASSISTANT: It's a single connection flight.

USER: May I know the price limit?

ASSISTANT: The price limit is 100. I guess you can afford it.

USER: I can afford up to 5000. Can you please check is there any luxury flight available in this route?

ASSISTANT: Sorry, there are no luxury flights available in this route as per your requested dates. Would you like to change your travel dates?

USER: Oh! It's ok, no problem, I will adjust with this flight because it is a very important meeting for me so please confirm this flight ticket for me.

ASSISTANT: I have confirmed your flight ticket with flight number 1006.

USER: Thank you I really appreciate your help.

ASSISTANT: Thank you for reaching us. Have a safe journey.

USER: Most welcome.