You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself William Thompson. I am planning to visit Philadelphia to meet my brother, can you please help me in booking a flight ticket?

ASSISTANT: Sure Thompson, can you please provide me your travelling dates?

USER: These are my travelling dates 06/23 and 06/25.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are from IAH to PHL.

ASSISTANT: Ok, give me a moment.

USER: Ensure that connection limit should be 1.

ASSISTANT: Yes, I found a flight for you with single connection. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with flight number 1023 and airline is UA.

USER: Thank you for booking.

ASSISTANT: Welcome. Thank you for choosing us.