You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Denver with my friends. Can you do the reservation?

ASSISTANT: Sure, let me know your source and destination airport codes?

USER: My airport codes are PHL-DEN.

ASSISTANT: Ok, can I know your preferable dates?

USER: My journey dates are 07/22 and 07/24.

ASSISTANT: On which name should I reserve the ticket?

USER: Scott Jackson here.

ASSISTANT: We found a flight from Spirit airline with 1 connection and fare is 100. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your ticket is booked and flight number is 1028.

USER: Thank you.

ASSISTANT: Thank you for reaching us.