You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Could you please book a flight ticket from OAK to PHX?

ASSISTANT: Sure, can you please forward your journey dates?

USER: My journey dates are Dec 31 and Jan 02.

ASSISTANT: Please let me know your connection limit.

USER: I need a single connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Mary King.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: We found a Southwest airlines, flight number 1018, price is 100 in economy class. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you.

ASSISTANT: Thank you for choosing us.