You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking a flight ticket to CLT from PHL?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Apr 22 to Apr 24.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight. I would like to travel in normal cost airline.

ASSISTANT: May I know your name?

USER: Cynthia Martinez here.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you.

ASSISTANT: Thank you.