You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to reserve my flight to reach SFO, can you please help to reserve my flight from DCA?

ASSISTANT: Can you provide me with the itinerary travel dates?

USER: Sure, my travel dates are Oct 2nd and Oct 4th.

ASSISTANT: Is there any connection limit?

USER: I need a single connecting flight for my journey.

ASSISTANT: may I know the class preference?

USER: I usually prefer economy class.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Are there any more requirements?

USER: I don't have any more requirements.

ASSISTANT: Can you let me your name please?

USER: Sure, my name is John Carter.

ASSISTANT: Give me a moment.

USER: Ok, sure.

ASSISTANT:  Frontier Airlines with flight 1016 is providing service on your route with single connection.

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked where the price is 100 and departure: DCA 10:00AM Oct, 2 arrival: SFO 23:00PM Oct, 4.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.