You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. What can I do to make your experience better with us?

USER: Can you please help me in booking my flight ticket from LAX to PHL?

ASSISTANT: Sure, we are glad to help you in booking.

USER: Thank you.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: My planned travel dates are April 14-16.

ASSISTANT: Kindly share if you have any class preference.

USER: No.

ASSISTANT: Do you need a flag stop in between your journey?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I want to depart in the Afternoon.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: I am Steven Williams.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll check and revert to you.

USER: Ok,.

ASSISTANT: Thank you for waiting, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.