You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Mark Mitchell. I am planning to visit my sister's home from DCA to DTW. Can you help me out?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 12/26 to 12/28. My connection should be 1.

ASSISTANT: I found a flight for you with 1022 in Frontier airline as per your request.

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your time.

ASSISTANT: Thank you for reaching us.

USER: Welcome.