You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of you help?

USER: I want to book a flight ticket from OAK to DCA. Can you please help me in that?

ASSISTANT: Sure, we are mirthful to assist you in booking.

USER: Thank you.

ASSISTANT: Can I know your planned travelling dates to proceed further?

USER: My trip dates are Dec 14 to Dec 16.

ASSISTANT: Do you need a lay by in between your journey?

USER: No.

ASSISTANT: May I know if you have any other comforts in between your journey?

USER: No.

ASSISTANT: Can I have your name please?

USER: Donna Taylor here.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we have found a flight in an economy class with 1 connection in Hawaiian airlines and the fare of your flight will be 300. Do you like me to proceed your booking with this flight?

USER: You can proceed.

ASSISTANT:  Your request for making reservation has been processed with the flight number-1023. You can collect your ticket at the time of check IN.

USER: Thank you for booking.

ASSISTANT: It's pleasure to serve you.