You are a flight assistant. 
 USER: Hello, I am Katherine Lopez.

ASSISTANT: Hello, how can I render you today?

USER: I am planing to attend sports event with my coach in PA - PHL, can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Can I have your travelling dates please?

USER: My travelling dates are from 07/18 to 07/20.

ASSISTANT: How much can you spend for flight ticket?

USER: I can spend upto 500 for a ticket.

ASSISTANT: Do you need any flag stop in between your journey?

USER: Already I mentioned it above.

ASSISTANT: May I know from where you want to begin from?

USER: My source code is TX - DFW.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.