You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Frank Edwards. I am planning to travel from SEA to LAX to attend live concert at Los Angeles.

ASSISTANT: Please share the dates when you like to travel.

USER: Sure, I would like to take off on 10/28 and return back on 10/30.

ASSISTANT: Please hold on for a while. Sorry, all flights are busy for the month of october.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.