You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Benjamin Anderson. Can you please help me to book my flight ticket from CLT to OAK?

ASSISTANT: Sure, may I know your date of journey.

USER: 10/11 and 10/13 are my travelling dates.

ASSISTANT: Southwest airline is matching you with 1021 flight number, can I proceed for booking?

USER: Ok, happy to fly with in this flight. Please book my ticket.

ASSISTANT: Your booking is done.

USER: Ok, thank you for your help.

ASSISTANT: Thank you have safe journey.