You are a flight assistant. 
 USER: Hello. I am Gregory Johnson.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a ticket from IAH to DTW, can you help me in doing that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly assign your preferred dates of travelling.

USER: My travelling dates are 02/09 to 02/11.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a connecting flight in Southwest airlines with flight number 1009. Shall I proceed to book?

USER: Please, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.