You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I need a connecting flight on 11/12, can you serve me in booking a flight ticket for me?

ASSISTANT: Sure, may I know your origin and destination codes?

USER: Ok, my nearest airport is Los Angeles, CA - LAX. So I want to start from there. And I want to travel to Philadelphia, PA - PHL.

ASSISTANT: OK, do you have any specifications?

USER: Yes, I can spend upto 5000 for my ticket.

ASSISTANT: OK, to confirm your reservation, we need your return date?

USER: Sure, I want to return on 11/14.

ASSISTANT: OK, please wait for few minutes, let me check and revert you.

USER: Sure.

ASSISTANT: Please, let me know your good name to confirm your ticket.

USER: Ok, Kevin Baker is my name.

ASSISTANT: OK, are comfortable with direct flight.

USER: No, I need only connecting flight.

ASSISTANT: Sorry, we have direct flight with your requirements.

USER: Ok, I will try for next time.

ASSISTANT: OK.

USER: Thanks for the information.

ASSISTANT: Thank you, for reaching us.