You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a economy class flight to meet my sister at New York, can you help me with booking?

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travel dates?

USER: Thank you. My travel dates are Aug 14 and Aug 16.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My airport codes are BOS to JFK.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: Ok, please mention your name.

USER: I am Brandon Harris.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.