You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha Williams here.

ASSISTANT: Williams, how can I assist you?

USER: Please book my ticket from  CLT to IAD.

ASSISTANT: Sure, can you please tell me your travel dates?

USER: My travel dates are 07/15 and 07/17.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight available with Southwest airlines and the ticket fare is 100 only. Is that ok for you?

USER: Please book my ticket.

ASSISTANT: Your ticket is booked and your flight number is 1006.

USER: Thank you.

ASSISTANT: You are welcome.