You are a flight assistant. 
 USER: Hello, I am Gregory Evans.

ASSISTANT: Hello, how can I serve you today?

USER: I need to fly from JFK to EWR, can you please book a flight ticket?

ASSISTANT: Sure. How much you can afford for this journey?

USER: My price is 5000.

ASSISTANT: Can I know your travelling dates please?

USER: My trip dates are 07/14 to 07/16.

ASSISTANT: Do you have any class preference?

USER: I am comfortable in any class.

ASSISTANT: Thank you for being patience, there is a direct fight available in JetBlue airline, flight number 1025 having fare 100.

USER: Ok, please proceed with my booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.