You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Ashley Smith. I am looking for a flight from OAK to DCA, can you reserve me a flight ticket?

ASSISTANT: OK, provide me your travelling dates?

USER: My starting date of my trip is on 01/20 and recur date of journey is on 01/22.

ASSISTANT: Do you have class preference?

USER: No, I am comfortable for any class limit.

ASSISTANT: Do you require connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight Spirit with flight number 1017 and fare is 200 of Economy class. Shall I proceed?

USER: That's prefect to my required intent, please proceed with it.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT:  Thank you for opting us.