You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please book me flight ticket from DTW to IAH to meet my family.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Yes, I prefer connecting flight only.

ASSISTANT: May I know your itinerary dates please?

USER: I have planned to travel on Oct 30th and return on Nov 01st.

ASSISTANT: Can I have your class preferences?

USER: I am ok with any class.

ASSISTANT: May I know your name?

USER: Myself Karen Collins.

ASSISTANT: There is a connecting flight-1026 in economy class, should I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Booking is done on Southwest airlines.

USER: Thank you.

ASSISTANT: Welcome Karen Collins.