You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to travel from PHL to LAS, can you help me?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My trip dates are 04/16 and 04/18.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I prefer economy class.

ASSISTANT: May I know your name?

USER: I am Kenneth Lee.

ASSISTANT: We found 1023 United Airlines with single connection and price of 100, shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.