You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Brandon Jones. I need to book a flight ticket from PHL to IAH, Can you please help me for booking?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I would like to travel on 03/04 to 03/06.

ASSISTANT: Is there  any restrictions on fare limit?

USER: I can pay up to 1000.

ASSISTANT: Thanks for your details, there is a Delta airline with fare 100 having a lay by. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been confirmed with flight number 1003.

USER: Thanks for your information.

ASSISTANT: Thank you.