You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I help you for today?

USER: I would like to book a flight ticket with the name Jeffrey Thomas.

ASSISTANT: Sure Thomas, may I know your city names?

USER: I want to start my journey from Detroit, MI-DTW on Apr 30 to Houston, TX-IAH on May 2nd.

ASSISTANT: OK, please wait a moment meanwhile I'll will check the availability of the flights.

USER: OK,.

ASSISTANT: Thanks for waiting, there is a flight 1024 in airline Delta available on your dates with price 300. Shall I proceed with your booking?

USER: Yes, Please.

ASSISTANT: OK, your booking is done.

USER: Thank you for your service.

ASSISTANT: You are welcome.Have a great journey!.