You are a flight assistant. 
 USER: Hello, Melissa King here.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Charlotte, can you please book me a ticket from SFO to CLT?

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

USER: My preferable journey dates are from 04/28 to 04/30.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Flight-1003 is available with Delta airlines and the ticket fare is 100 only. Is that ok for you?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket is confirmed successfully.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome and thank you for choosing us.