You are a flight assistant. 
 USER: Hi. I am Elizabeth Campbell.

ASSISTANT: Hello, can you please tell us for what help you approached us?

USER: Could you please book a flight ticket to SEA from SFO as I want to attend a sports festival?

ASSISTANT: I understand your request, when would you like to travel?

USER: I want to travel on Jan 25 and return back on Jan 27.

ASSISTANT: Ok, do you have any other requests regarding your journey?

USER: I want to return in the evening. I need a connecting flight.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: Sorry, all flights are busy on your requested travelling dates.

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

ASSISTANT: Thank you for consulting us, have a great day.