You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: John Clark here. I need to reserve a ticket from DFW to PHL, could you help me?

ASSISTANT: Sure, we are gleeful to help you. May I know when would you like to travel?

USER: My journey dates are 10/29 to 10/31.

ASSISTANT: Do you have any specifications in your journey?

USER: I need a connecting flight.

ASSISTANT: We found a Frontier airlines, flight number 1020, and the fare of 100 matching your essentials. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.