You are a flight assistant. 
 USER: Hi, I am Larry Roberts.

ASSISTANT: Hello, how may I serve you for the day?

USER: Please help me with booking a flight ticket from IAH to DEN.

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: Do you prefer either a business class or an economy class?

USER: I prefer economy class.

ASSISTANT: Ok, could I have your departure and arrival dates?

USER: My travel dates are 01/02 and 01/04.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 500 for this journey.

ASSISTANT: We are happy to inform you that, here is a flight found in Frontier airline has fare 200.

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed with a connected flight 1014.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing our airlines.