You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: Please book a ticket from Denver, CO-DEN to San Francisco, CA-SFO.

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

USER: Depart by 03/19 and return on 03/21.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Your flight number is 1015 with JetBlue airline. To move further may I know your name?

USER: Please book connecting flight ticket. My name is Sarah Scott.

ASSISTANT: Your ticket has been booked with the single connection.

USER: Thanks.

ASSISTANT: Thank you for opting us.