You are a flight assistant. 
 USER: Hello. I am Paul Jones.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to attend sport event in Denver, can you please help me in booking a ticket from TX-DFW to CO-DEN?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: When are you planning to start your journey?

USER: I am planning to start my journey on 05/26 and arrive on 05/28.

ASSISTANT: Kindly, mention your fare limit.

USER: Fare limit should not be exceeded in 500.

ASSISTANT: Thank you for sharing the details, wait a minute.

USER: Sure.

ASSISTANT: Thank you for being patience. There is a flight available with fare 200 in  economy class of UA airline having 1012 as flight number. Shall I reserve it?

USER: You can proceed with the booking.

ASSISTANT: Your ticket has been reserved with flight having a lay by in between your journey.

USER: Thank you for booking.

ASSISTANT: Thank you.