You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning for a business trip from DCA to HOU.

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

USER: My travel dates are 06/30 to 07/2.

ASSISTANT: Hold on for a moment.

USER: Sure.

ASSISTANT: Flight 1027 of Delta airlines matches with your requests, can I book the ticket?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked. Thank you, have a safe journey.

USER: Thank you.

ASSISTANT: Can I know your name ?

USER: Yes, my name is Elizabeth Collins.

ASSISTANT: Thank you Elizabeth.