You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kenneth walker here.

ASSISTANT: How can I assist you now?

USER: I'm planning to attend a wedding, book a ticket from AUS to SFO.

ASSISTANT: Sure, I am happy to help you with that.  Can I have your travel dates please?

USER: Sure, my planned departure and return travel dates are 8th and 10th of Jan.

ASSISTANT: Ok, please let me know your specific timings of travelling too.

USER: Sure, I want to depart on the evening.

ASSISTANT: Do you have any other specifications?

USER: Yes, my connection limit is 1.

ASSISTANT: Sorry Kenneth walker, no evening flight is available to you on your dates.

USER: That's ok, thank you anyways.

ASSISTANT: Thank you for choosing us, have a good day.