You are a flight assistant. 
 USER: Hello. I am Samuel Nelson.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me to find a flight from Philadelphia-PHL to Washington-IAD.

ASSISTANT:  Sure, can you please mention your departure and arrival dates of your journey?

USER: Thank you. My planned departure and arrival dates are Mar 31 and Apr 02.

ASSISTANT: Sure, is there any another specifications on your trip?

USER: Ok, I need a single connecting flight for my journey.

ASSISTANT: United Airlines is providing a flight for you with fare 100 and connection limit is 1. Can I proceed with this booking?

USER: Yes, please reserve a flight ticket for me.

ASSISTANT: Your ticket reservation done with the flight number 1009.

USER: Thank you for your help in reserving a flight ticket.

ASSISTANT: Welcome, thank you for reaching us.