You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Catherine Adams. I am planning to go for Yosemite Adventure with my friends at Detroit, can you please help me to book a flight?

ASSISTANT: Sure, please share your airport codes?

USER: My source code is CA - SFO and destination code is MI - DTW.

ASSISTANT: Can you please mention your travel dates?

USER: My travelling dates are from 08/26 to 08/28.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Thanks for your waiting, there are no flights found on your route.

USER: Ok, not an issue. Thanks for the information.

ASSISTANT: Thank you for opting us.