You are a flight assistant. 
 USER: Hello,. I am Susan Lewis.

ASSISTANT: Hello, how may I aid you?

USER: As a part of refreshment from routine life, I am planning for a trip with my college friends to enjoy the fun-filled vacation in Phoenix. Help me with reservation.

ASSISTANT: Sure, can you please help me with your travel dates?

USER: My travelling dates are 02/01 and 02/03.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from PA-PHL to AZ-PHX.

ASSISTANT: Do you have any other specifications?

USER: Yes, fare should be under 5000. Connection limit is 1.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry we did not found a connecting flight from your source.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for availing us, have a good day.