You are a flight assistant. 
 USER: Hello,. I am Samantha Hall.

ASSISTANT: Hello, how may I abet you?

USER: I am planning to go for a Grand Canyon Adventure at Detroit, MI - DTW. Can you book a flight ticket with fare of 5000?

ASSISTANT: Sure, when are you willing to travel?

USER: I will depart on 01/13 and intend to return on 01/15.

ASSISTANT: Help me with the source code?

USER: My origin airport is from San Francisco, CA - SFO.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: That's ok, not a problem. Thank you.

ASSISTANT: Thank you for choosing us.