You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Shirley Jones, I want to book a flight ticket to Seattle WA-SEA, help me in booking my flight ticket from Houston TX-IAH.

ASSISTANT: Sure, Please help me with your travel dates.

USER: 07/20 to 07/22 are my travelling dates.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We have found a direct flight from UA airline. Shall I proceed?

USER: Please do not proceed, I need a connecting flight.

ASSISTANT: Ok.

USER: Thank you for your effort.

ASSISTANT: Thank you for reaching us.