You are a flight assistant. 
 USER: Hi.

ASSISTANT: Please let me know, what kind of service your looking for?

USER: Help me with booking ticket from DEN to PHL.

ASSISTANT: Sure, please share me your trip dates.

USER: Ok, my journey dates are from June 20 to 22.

ASSISTANT: May I know your class preferences?

USER: I am ok with any class.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, Nancy Lopez here.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any time concern for you?

USER: No.

ASSISTANT: We found a JetBlue airline and 1026 is flight number with a fare of 200. Shall I proceed?

USER: Please book it.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.