You are a flight assistant. 
 USER: Hello, I am Charles Taylor.

ASSISTANT: Hello, how may I aid you?

USER: I would like to visit a Arizona Desert with my friends at Seattle, SEA. So can you make a reservation with a connecting flight?

ASSISTANT: Sure, when would you like to travel?

USER: My journey dates are from 12/02 to 12/04.

ASSISTANT: Please provide your source point?

USER: My source airport code is Detroit, DTW.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no worries. Thanks for your response.

ASSISTANT: Thank you for choosing us.