You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight from IAH to DTW?

ASSISTANT: Sure, may I know your trip dates please?

USER: Sure, I want to travel on Oct 17 and need to return on Oct 19.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a flight with single connection.

ASSISTANT: Can I know your name please?

USER: William White here.

ASSISTANT: Please wait for some while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Delta airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is booked with the flight number 1009.

USER: Thank you.

ASSISTANT: Most welcome.