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

ASSISTANT: Hello, how may I help you?

USER: I would like to go for Kemah boardwalk tour with my friends at Houston, will you help me to book a flight ticket from PHX to HOU?

ASSISTANT: Sure, I will help you. May I know your journey dates please?

USER: Sure, my journey dates are 07/01 and 07/03.

ASSISTANT: Is there any price limit?

USER: Yes, my price should be 500 only.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a direct flight based on your schedule. Shall I proceed?

USER: Do not proceed, I need a connecting flight.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for opting us.