You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: David Wilson here.

ASSISTANT: Nice to meet you David.

USER: I would like to visit Charlotte on a business trip, can you please book a flight ticket from LGA to CLT?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Sure, my travel dates are 12/16 and 12/18. Please check with connection 1.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 100. Shall I proceed?

USER: That's nice, please confirm it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a safe flight.