You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am David Wright. I want to book a flight ticket from MSP to DFW. Could you help me in booking?

ASSISTANT: Can I have your dates of journey?

USER: My travelling dates are from 09/18 to 09/20.

ASSISTANT: Please wait for a while, I will check the availability.

USER: Ok.

ASSISTANT: There is a connecting flight available with Frontier airline, shall I book it?

USER: Yes, please proceed.

ASSISTANT: Your booking is done with flight number 1010. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.