You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I amend you today?

USER: I am Brandon Harris. Can you please be my helping hand in booking a flight ticket as I am planning to attend for seasonal festival at Denver, DEN?

ASSISTANT: Sure, we are mirthful to aid you today.

USER: Thank you.

ASSISTANT: To proceed further I need your boarding airport.

USER: Sure, I will start from IAH.

ASSISTANT: When you are willing to travel?

USER: My preferable dates are 02/09 and 02/11.

ASSISTANT: Thanks for sharing your details. There is a flight AA as airline with the fare of 100.

USER: Please reserve it for me.

ASSISTANT: Your flight number 1024 of a connecting flight. Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.