You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Debar Davis. I want to book a ticket from DFW to MSP, can you help me in booking a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 12/20 to 12/22.

ASSISTANT: Can you please provide your Destination code?

USER: MY destination airport code is MSP.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: We found a flight with number 1022 and Delta as airline. The cost of the ticket is 300.

USER: It's perfect, please book this for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.