You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Please book me a flight ticket from IAH to LAS.

ASSISTANT: Sure, I am gleeful to help you with that. Can you please share your planned journey dates?

USER: I will start on July 13th and return on July 15th.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am ok with any class.

ASSISTANT: Do you have any other specifications?

USER: I need a single connection.

ASSISTANT: There is a connecting flight-1017 in United Airlines with fare of 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: May I know your name please?

USER: Mark Phillips.

ASSISTANT:  Mark Phillips, your booking has been done in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.