You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Jason Miller. I am planning to travel from LAS to PHL. Can you please help me to book a ticket?

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

USER: My travelling dates will be on Oct 9 to Oct 11.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: I want to return in the afternoon.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.