You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Phillips.

ASSISTANT: Jonathan, how can I aid you today?

USER: I am planning to book a flight ticket from DEN to IAH, could you please help me with that?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I am planning to travel on May 26 and return back on May 28.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with JetBlue airline and it costs you 100. Shall I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket has been booked with 1024 flight number.

USER: Thank you for your service.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.