You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from PHX to LAS to meet my parents. Can you help me in booking a connected flight?

ASSISTANT: Sure, help me with the trip dates?

USER: My journey dates are Sept 05 and Sept 07.

ASSISTANT: Do you have any class preferences?

USER: I am looking for a business class.

ASSISTANT: May I know your name please?

USER: I am Jennifer Jackson.

ASSISTANT: Sorry, we did not find any flights running in your preferred dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.