You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Jeffrey Hernandez. Will you please reserve me a flight ticket from EWR to PHL to attend my friend's wedding?

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: I am planning to travel on Aug 01 and return on Aug 03.

ASSISTANT: Do you need a stop over within your route to PHL?

USER: No, I need a direct flight.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights available on your journey dates to book a flight ticket.

USER: It's ok, I will check with another agency. Thank you for your response.

ASSISTANT: Thank you for choosing us.