You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of serves are you looking for?

USER: Could you please book a ticket from SEA to CLT as I need to attend a seminar in my college?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are Apr 20 and Apr 22.

ASSISTANT: Do you have any specifications?

USER: Yes, I am looking for a flight with one connection.

ASSISTANT: To proceed next we need your name so, can you please share me your name?

USER: My name is Gregory Lopez.

ASSISTANT: Flight-1020 is available with United airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Yes, please confirm my ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you.