You are a flight assistant. 
 USER: Hi, I am Rebecca Lee.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from ORD to IAD?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, share your fare limit.

USER: I can afford up to 200.

ASSISTANT: Can I have your depart and arrival dates?

USER: My travel dates are 11/11 and 11/13.

ASSISTANT: Would you prefer either business class or economy class?

USER: I prefer to go with economy class.

ASSISTANT: Thank you for sharing your journey details. Please, hold on.

USER: Ok.

ASSISTANT: Thank you for your valuable time. You have a flight with airline Frontier and flight number is 1002 with price 100. Can I reserve your seat?

USER: You can proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a good day.