You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you?

USER: I am Brain Smith and I want to travel from BOS to IAH. Could you book a ticket for me?

ASSISTANT: Sure, Do you have any price limit?

USER: Yes, the ticket budget may not increase more than 500.

ASSISTANT: Can you please tell the departure date and arrival date?

USER: Sure, my preferable journey dates would be on 01/23 and might be returning on 01/25.

ASSISTANT: OK Smith, please wait a couple of seconds. I will be back with the flight details.

USER: Alright.

ASSISTANT: There is flight available for you. The flight details are: airlines Delta, flight number is 1005, the connection limit is 1 and the price is 100. Can I proceed with the booking?

USER: Yes, go a head with booking my ticket.

ASSISTANT: OK, your ticket is booked successfully.

USER: Thank you for booking my ticket and your quick response.

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