You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Amy Roberts, want to travel from LAX to LGA. Please help me.

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: My travelling dates are from 02/09 to 02/11.

ASSISTANT: Thank you for waiting. Sorry to tell you that, there are no flights found in your route as per your travel dates.

USER: That's fine, thank you.

ASSISTANT: You are welcome, thank you for reaching our agency.