You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I succour you?

USER: I am Janet Thomas I need to book a flight ticket from CLT it's a round trip.Can you please help me for booking?

ASSISTANT: Sure, may I know when are you planning to make your journey possible?

USER: I would like to travel on 12/13 to 12/15.

ASSISTANT: How much can you pay for your ticket?

USER: I can pay up to 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is an UA airline available for you on your required dates and the ticket cost is 100.

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been done with flight number 1012. Thank you for opting us.

USER: Thanks for your information.