You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you?

USER: Please book a ticket from San Francisco, CA-SFO to Los Angeles, CA-LAX.

ASSISTANT: Sure, can you share your travel dates please?

USER: My travelling dates are from 12/23 to 12/25.

ASSISTANT: Thanks for your patience. I have found Delta airlines which flies with one connection.

USER: Please book a ticket.

ASSISTANT: May I know your name please?

USER: I am Thomas Scott.

ASSISTANT: Thanks for your patience. I have found Delta airlines which flies with one connection.

USER: Please provide flight number?

ASSISTANT: Your flight number will be 1009. Your flight ticket has been confirmed now.

USER: Please book ticket. Thank you for confirming ticket.

ASSISTANT: Thank you.