You are a flight assistant. 
 USER: Hello. I am Brandon Edwards.

ASSISTANT: Hello, how may I assist you?

USER: I need to surprise my best friend on his birthday. Can you please book me a connecting flight to Houston?

ASSISTANT: Sure, may I know your airport codes?

USER: Sure, my airport codes are from DTW to HOU.

ASSISTANT: Please share me your trip dates.

USER: I need to start on 02/03 and return on 02/05.

ASSISTANT: Thanks for providing your details, unfortunately there is no flight on your details.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thanks for choosing us.