You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emily Anderson.

ASSISTANT: How may I serve you?

USER: I have an appointment with my client in New York, NY - JFK, can you please help me in booking a flight ticket?

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are 10/02 and 10/04.

ASSISTANT: Help me with the source code?

USER: Las Vegas, NV - LAS is my origin airport code.

ASSISTANT: Please standby.

USER: OK.

ASSISTANT: Thank you for your time. Sorry, no flights were running to your destination due to bad weather conditions.

USER: OK, no problem. Thanks for the response.

ASSISTANT: Thank you for reaching us. Have a nice day.