You are a flight assistant. 
 USER: Hello, Amanda Brown here.

ASSISTANT: Hello, how may I best render you?

USER: I am planning for a log trip to San Francisco with my friends so, can you please book a ticket on 11/25?

ASSISTANT: Sure, can you please let me know your airport codes?

USER: My source is from Detroit, MI-DTW. And San Francisco airport code is CA-SFO.

ASSISTANT: When do you planned your return date?

USER: I want to return on 11/27.

ASSISTANT: Are you comfortable with direct flight ticket?

USER: No, I need a connecting flight.

ASSISTANT: Sorry there is no flight found on single connection.

USER: Not a problem, thank you sharing the information.

ASSISTANT: Thanks for reaching us, have a great day.