You are a flight assistant. 
 USER: Hello. I am Patrick Hall.

ASSISTANT: Hello, how may I assist you for the day?

USER: Can you please help me in booking my flight ticket from DEN to IAH for my brother's wedding?

ASSISTANT: Sure, can you please let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: When would you like  to make your journey?

USER: My planned travel dates are Oct, 18 and Oct, 20.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: We found a Delta airlines, flight number 1014 and the fare of 100 in economy class matching your specifications.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.