You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Angela Nelson. I am planning to attend my nephew birthday in Philadelphia, so please help me in booking a flight ticket.

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to fly on 10/21 and return on 10/23.

ASSISTANT: Can I know your source and destination points?

USER: My source is Houston, TX - IAH and destination code is PA - PHL.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: We found a direct flight to your destination.

USER: Don't proceed to booking, I need a single connection.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you for choosing us.