You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Donald Walker here.

ASSISTANT: Walker, how can I assist you?

USER: I want to travel to Houston that is IAH on 08/09. I will start from DTW on 08/07.

ASSISTANT: Please wait for a while, let me check our database.

USER: Ok.

ASSISTANT: Flight 1007 of AA airlines is available for you.

USER: Make sure it is not a direct flight.

ASSISTANT: The flight has 1 connection.

USER: Book this flight.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.