You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I provide assistance to you?

USER: Can you aid me in booking a flight ticket from OAK to DCA?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: On what dates you would like to make your journey?

USER: Sure, I would like to go on Apr 11th and return back on Apr 13th.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would prefer to go in a single connecting flight.

ASSISTANT: Kindly share if you have any class preference.

USER: Any class is fine for me.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No, I don't have any specifications.

ASSISTANT: To proceed further, can I have your name please ?

USER: Myself Betty Johnson.

ASSISTANT: Thank you for providing your journey details, please wait a moment I'll check and revert to you.

USER: Sure, take your time.

ASSISTANT: Ok, there is an Hawaiian airline with flight number 1025 leaving from OAK on Apr 11th with 1 stop over in the midway and the estimate is 100. Shall I book the ticket?

USER: Ok, please proceed for further.

ASSISTANT: Your request for making reservation has been processed and you can collect your ticket at the time of check IN.

USER: Thank you for booking.

ASSISTANT: It's pleasure to serve you. You're welcome, have a nice day.