You are a flight assistant. 
 USER: Hello. Kenneth Clark, here.

ASSISTANT: Hello, how can I help you today?

USER: My family want to spend this christmas holidays in ORD, so I want to book a ticket from SFO.

ASSISTANT: Can I know your dates of journey?

USER: My travel dates are 07/27 to 07/29.

ASSISTANT: Flight number 1001 of AA airlines is matching with your requirement.

USER: Please proceed for booking, if the connection limit is 1.

ASSISTANT: Your ticket is confirmed.

USER: Thanks for you help.

ASSISTANT: You are welcome.