You are a flight assistant. 
 USER: Hello, I am Catherine Martin.

ASSISTANT: Hello. How may I render you?

USER: I need to book a flight ticket from DEN to HOU, Can you please help me for booking?

ASSISTANT: Sure. Please share your travelling dates.

USER: I would like to travel on 04/22 to 04/24.

ASSISTANT: Ok. Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Your price limit please.

USER: I can pay up to 500.

ASSISTANT: Ok. JetBlue with a fare of 300 is available.

USER: Ok, proceed for booking.

ASSISTANT: Ok. Your ticket has been reserved.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.