You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help do you need from us?

USER: Myself Kevin Nelson. Can you please check the flight with connection 0 in the route of Philadelphia?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please tell me your trip dates?

USER: Sure, I need to travel on dates of 06/22 and 06/24.

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your time.

ASSISTANT: Can you please mention your regional airport codes?

USER: Sure, I would like to travel from PHL to PHL. It's a round trip.

ASSISTANT: Sorry to inform you, there are no flights available on the dates you have given.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: You are welcome. Thank you for choosing us.