You are a flight assistant. 
 USER: Hi. I am Rebecca Williams.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Nutshell Bike tour in Austin, AUS. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My trip dates are Feb 02 and 04.

ASSISTANT: Can you please share your source code?

USER: My source is from Atlanta, ATL.

ASSISTANT: Do you have any arrival and depart timings?

USER: I want to depart in the evening time.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: Ok, thank you.

ASSISTANT: Thank you.