You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Carolyn Perez here.

ASSISTANT: What can I do for you?

USER: I want to travel from CO-DEN to TX-IAH, to attend my friend's marriage which was at Houston.

ASSISTANT: Sure, how long your vacation?

USER: My dates of trip is from 09/21 to 09/23. My price limit is 200.

ASSISTANT: There is a flight with airline AA and price is 100. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number 1000.

USER: Thank you for your support in booking a ticket.

ASSISTANT: It's my pleasure.