You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I render you today?

USER: I am Stephen King.

ASSISTANT: Ok.

USER: Can you please find a flight in the evening time to attend a seminar in Las Vegas?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: My airport codes are, PHL to LAS.

ASSISTANT: Let me know your connection limit.

USER: I need 1 connection in between journey.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I am comfortable with any class.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My journey dates are, depart on June 3rd and return on June 5th.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.