You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am looking for a flight from PHL to DEN, can you help me in booking?

ASSISTANT: Sure. Tell me your travel dates please?

USER: Sure, my planned travel dates are Feb 01 and Feb 03.

ASSISTANT: May I know your name please?

USER: Myself Mark Martinez.

ASSISTANT: Are you looking for a stopover in your journey?

USER: Yes, please look for a connecting flight.

ASSISTANT: Any other preferences?

USER: No, thank you.

ASSISTANT: Please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your patience. I have found Frontier airlines which is a stopover flight.

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

ASSISTANT: Yes, I have confirmed your flight ticket in flight number 1027.

USER: Thank you for the service.

ASSISTANT: Thank you.