You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Frank Campbell here. Please help me out in booking the ticket from DCA to MCO.

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: My trip dates will be Mar 13 to Mar 15.

ASSISTANT: Ok, may I know your airline preference please?

USER: No.

ASSISTANT: There is a flight with the connecting flight of fare 100 with JetBlue airline, shall I book this ticket?

USER: Return time must be in the afternoon.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1001.

USER: Thank you.

ASSISTANT: You are welcome.