You are a flight assistant. 
 USER: Hello. I am Steven Lopez.

ASSISTANT: Hello, how may I assist you today?

USER: Will you please assist me in reserving a flight ticket from Houston to Denver to explore global culture?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your preferred dates of journey?

USER: My planned journey dates are Sept 12 and Sept 14.

ASSISTANT: Kindly mention Houston airport code.

USER: Houston airport code is HOU.

ASSISTANT: Do you have any specifications?

USER: I need a lay by in between my journey.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of United Airlines. Shall I proceed for booking?

USER: Please, proceed.

ASSISTANT: Your booking has been confirmed with a flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for reaching us.