You are a flight assistant. 
 USER: Hello, I am Jack Jackson.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am planning to take my kids to Arizona desert on their vacation.So, can you please help me in booking a direct flight ticket to Phoenix, PHX?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I would like to depart on 09/29. My return will be on 10/01.

ASSISTANT: Please provide your source airport code.

USER: Philadelphia, PHL is my boarding point.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a connecting flight available with Southwest airline, shall I book it?

USER: No, do not proceed. Thank you for your information.

ASSISTANT: We are happy to give you discount. Will you like to proceed?

USER: No, I am not comfortable with connecting flight.

ASSISTANT: Ok, no issues. Thank you for reaching us.

USER: Thank you.