You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need a flight from EWR to DEN to attend a meeting, can you please help me with flight ticket booking?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: Thank you and my travel dates are June 23 and I will arrive back on June 25.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No, I don't have any other preferences.

ASSISTANT: May I know your other specifications?

USER: No.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: Sure, my name is Thomas Phillips.

ASSISTANT: I got a connecting flight-1016 in economy class, is it fine for you?

USER: Please go ahead and proceed with booking.

ASSISTANT: Ok, booking is done on Spirit airlines.

USER: Thank you for your enormous help with my flight ticket booking.

ASSISTANT: Thank you.

USER: Welcome.