You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you check the availability of flights in the month of Apr on 23 and 25?

ASSISTANT: Sure, we are here to help you. Can you please share your airport codes?

USER: My airport codes are PHL and PHX.

ASSISTANT: Do you have any connection limit?

USER: I need a way station in my journey.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: Nancy Wilson here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Ok, thank you.

ASSISTANT: Thanks for reaching us.