You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to travel Washington DC, can you reserve flight ticket from OAK and IAD?

ASSISTANT: Sure, can you please help me with your trip dates?

USER: My travelling dates are Aug,23 and Aug,25.

ASSISTANT: May I know your connection limit?

USER: I need one connecting flight ticket.

ASSISTANT: May I know your name?

USER: Myself John Allen.

ASSISTANT: There is a flight on Spirit airline, flight number 1020 with the fare of 100. Can I proceed?

USER: Please proceed with the reservation.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for reaching us.