You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Scott.

ASSISTANT: How may I guide you today?

USER: I want to book a flight which depart in the evening. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: Sure, my travelling dates are June 14 and June 16.

ASSISTANT: Can you please provide your airport codes?

USER: LAX and ORD are my airport codes.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Is there any connection limit?

USER: I need a break in between the journey.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.