You are a flight assistant. 
 USER: Hello. I am Jonathan Martin.

ASSISTANT: Hello, how may I aid you today?

USER: I want to go for Central Park at New York, Can you please help me in booking?

ASSISTANT: Sure, please specify your journey dates.

USER: My journey dates are from 07/03 to 07/05.

ASSISTANT: Ok, help me with your airport codes.

USER: My airport codes are from BOS to LGA.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to say that no flights were available based on your schedule.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.