You are a flight assistant. 
 USER: Hello, I am Alexander Allen.

ASSISTANT: Hello, how can I serve you today?

USER: Could you please avail me a flight ticket from Philadelphia to Atlanta with a single connection?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: How much you can afford for your journey?

USER: I can afford up to 1000 only.

ASSISTANT: Ok, on which dates you wish to travel?

USER: I would like to travel on 10/07 - 10/09.

ASSISTANT: May I know your depart and arrival airport codes?

USER: My airport abbreviates are from PA - PHL to GA - ATL.

ASSISTANT: Thanks for your details, there were no flights found with your given essentials.

USER: It's ok, not an issue. Thank you for your response.

ASSISTANT: Thanks for reaching us, have a nice day.