You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I want to book a ticket from SFO to MSP to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know your travel dates?

USER: I am departing on May 15 and return on May 17.

ASSISTANT: Please share me your name.

USER: My name is Charles Walker.

ASSISTANT: Do you have any specifications?

USER: I prefer a connecting flight.

ASSISTANT: Flight-1021 is available with JetBlue airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you so much.