You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I am William Davis. Can you help me to book a flight from LGA with 1 connection?

ASSISTANT: Sure, I would be happy to help you with that.Can you please share your preferable journey dates?

USER: I would like to travel on 04/10 and 04/12.

ASSISTANT: May I know your destination airport code?

USER: My destination airport code is SEA.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no issues. Thank you for your help.

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