You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Emma Rodriguez. I would like to book a ticket to Detroit, can you please provide me a ticket?

ASSISTANT: Sure, can you please provide your journey dates?

USER: I am travelling on these dates 11/22 and 11/24.

ASSISTANT: Emma Rodriguez, may I know your nearest airport codes of travelling?

USER: I am flying with airport codes JFK and DTW.

ASSISTANT: There are no flights available on this route due to heavy bookings.

USER: Ok, no problem, thank you for your services.