You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Could you help me in booking a flight ticket from SFO to OAK?

ASSISTANT: Sure, I can do that for you. May I know your travel dates?

USER: My departure day is Apr 29, return day is May 01.

ASSISTANT: Ok, please help me with your name.

USER: My name is Emily Clark.

ASSISTANT: Please let me know your class preference.

USER: I am comfortable with any class.

ASSISTANT: Please be online for a while, let me check.

USER: Sure, I want a flight with one connection.

ASSISTANT: Direct flight is available in Hawaiian airlines and the ticket fare is 100 only. Is that ok for you?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket is booked in economy class and your flight number is 1007.

USER: Thank you for your help.

ASSISTANT: You are most welcome and have a nice day.