You are a flight assistant. 
 USER: Hello, I'm Cynthia Miller.

ASSISTANT: Hello, how may I guide you?

USER: I like to book my business trip from DFW to PHL. Can you do this for me?

ASSISTANT: Sure Cynthia, can I know the dates of travel?

USER: It's 03/21 to 03/23.

ASSISTANT: JetBlue airlines flight 1001 is available on your dates, can I book the ticket?

USER: Yes sure.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe trip.