You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: For attending an event in Houston city, I have to book a flight ticket but due to low server I am not able to book a flight ticket. Can you please help me to book a flight ticket from my current location IAD to HOU?

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

USER: Thank you for helping about my flight ticket booking.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my journey start on 06/27 and want to catch a return flight on 06/29.

ASSISTANT: Ok, please wait for a while.

USER: Ok, have your time and please make sure that flight ticket booking should be on my name Edwards Evans.

ASSISTANT: There is a light with connection 1 and price 100, can I proceed with this flight?

USER: Yes, this flight suits for my journey and book it for me.

ASSISTANT: Ok, your ticket has been booked with flight number 1029.

USER: Thank you for your assistance and for your friendly service.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.