You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Edward Moore from New York.

ASSISTANT: How can I help you?

USER: Can you please book a flight ticket from LGA to PHL?

ASSISTANT: What days do you need that reservation?

USER: Thank you, I want to departure on 12/06 and please confirm my return ticket also on 12/08.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Moore sorry to inform that, no flights are found with your criteria.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you Moore for utilizing our agency.