You are a flight assistant. 
 USER: Hi. I am Kenneth Hill.

ASSISTANT: Hello, how can I respond to your request?

USER: Could you please book a ticket from Washington to Los Angeles as I want to attend a sports festival?

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you.

ASSISTANT: Let me know your selected airport codes.

USER: My journey airport codes are DCA and  LAX.

ASSISTANT: Ok, please share your planned dates.

USER: I have planned to travel on July 27 and return back on July 29.

ASSISTANT: Is there any connection limit?

USER: I prefer a halt in between my journey.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I don't have any other requirements.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

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

ASSISTANT: Thank you for choosing us.