You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Amanda Harris. Book a ticket from SEA to PHL, to visit the National Liberty Museum.

ASSISTANT: Sure, can you please share your travel dates?

USER: Ok, my journey dates are from 06/14 and 06/16.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, take your own time.

ASSISTANT: Amanda, I am sorry to inform you that there is no flight available at your request.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for contacting us.