You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Please find a flight reservation on the route from OAK to ORD for attending a science fare?

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are from Nov 28th and Nov 30th.

ASSISTANT: Do you need direct flight or connecting flight?

USER: My maximum connection limit is 1.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: I am Melissa Robinson.

ASSISTANT: Is there any time concern for you?

USER: No, thank you for asking.

ASSISTANT: May I know your class preferences?

USER: I don't have any other preferences.

ASSISTANT: We found a Delta airline and 1016 is flight number with a fare of 200. Shall I proceed?

USER: Please mention return and depart time.

ASSISTANT: Your depart time is in the morning and return time in the afternoon.

USER: Ok, you may proceed with booking my reservation.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.

USER: Welcome.