You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Amanda Hernandez. I would like to book a ticket to New York as I going for delegates meet.

ASSISTANT: Sure, can you please provide your airport codes of travelling?

USER: I am travelling from PHL and EWR.

ASSISTANT: May I know your planned dates of journey?

USER: I am moving on these dates 07/03 and 07/05.

ASSISTANT: Amanda Hernandez, there are no flights available on your provided dates due to heavy bookings.

USER: Ok, thank you for your services.

ASSISTANT: Thank you for contacting us.