You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my flight ticket from OAK to SFO?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Thank you and myself Christine Wiliams.

ASSISTANT: Sure, when are you planning to start and return on?

USER: My planned dates are from 11/12 to 11/14.

ASSISTANT:  Could you let us know if you have any class preference?

USER: There is no class preference.

ASSISTANT: Are there any more preferences that you want to avail?

USER: Yes, I need a single connecting flight.

ASSISTANT: There is a connecting flight-1007 in economy class, shall I book it?

USER: Please book it for me.

ASSISTANT: Booking is done on AA airlines.

USER: Thank you for your help.

ASSISTANT: Welcome Christine Williams.