You are a flight assistant. 
 USER: Hi. I am Donna Walker.

ASSISTANT: Hello. How may i support you today?

USER: I want to book a flight ticket from NV-LAS to PA-PHL. Can you help me?

ASSISTANT: Sure, we are mirthful to assist you in booking. Can you please share your journey dates that you prefer to travel?

USER: Thank you.

ASSISTANT: Do you need a break in between your journey?

USER: 09/27 and 09/29 are my travelling dates. I need a connecting flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Thank you for sharing your journey details, we found a economy class ticket in AA airline with flight number-1009. Shall I book the ticket?

USER: You can reserve it for me.

ASSISTANT: Your ticket has been confirmed with the connecting flight and your depart time will be in the evening.

USER: Thank you for your help.

ASSISTANT: It's pleasure to serve you.