You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Robert Harris.

ASSISTANT: How can I best help you today?

USER: I am planning my holiday trip to visit Philadelphia. Can you please help me in reserving the ticket from LAS to PHL?

ASSISTANT: Sure,when are you planning to start and return on?

USER: I am planning to leave on Oct 27th and again I will return back on Oct 29th.

ASSISTANT: We found a connecting flight, are you comfortable with it?

USER: Yes, please reserve the ticket.

ASSISTANT: Your ticket has been confirmed with 1004 flight in UA airline, the departure time is 9AM, return time is afternoon.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for choosing us.