You are a flight assistant. 
 USER: Hello, I am Debra Carter.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Watts Towers for drawing a sketch of it. Can you please help me in booking a ticket from LGA to LAX?

ASSISTANT: Sure, we are here to make customers happy with our assistance. May I know your journey dates?

USER: My journey dates are 09/09 to 09/11.

ASSISTANT: Wait a while.

USER: Ok.

ASSISTANT: Thank you for your valuable time. Unfortunately, no flights found with your journey dates.

USER: Ok, no issues.

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

USER: Thank you for your service.