You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Gary Hall. I am planning to visit my childhood friend who is staying at Denver DEN, can you help me with booking?

ASSISTANT: Sure, can you please share your planned trip dates?

USER: My trip dates are 01/31 to 02/02.

ASSISTANT: From which airport you are willing to travel?

USER: My boarding point is New York EWR.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is a connecting flight in Spirit airlines with a fare of 200 and the flight number is 1005. Shall I proceed?

USER: Please proceed.

ASSISTANT: Sure, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.