You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from IAD to OAK?

ASSISTANT: Provide me the travel date.

USER: Sure, my travel dates are from July 12 to July 14.

ASSISTANT: Is there any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Is there a time concern?

USER: No more requirements.

ASSISTANT: May I know your name please?

USER: Myself Patrick Scott.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT:  Frontier Airlines with flight 1026 is providing service on your route.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked where cost is 100 and with connecting flight.

USER: Thank you for booking.

ASSISTANT: Thank you.