You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: U.S. Open Golf Championship is to be held, I need to watch the live event. For this, I need to book a ticket in a direct flight with the name of Barbara Moore.

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: Source is Detroit, DTW. Houston, IAH is the destination point.

ASSISTANT: Ok, please share your travelling dates?

USER: 10/05 to 10/07 are my planned dates.

ASSISTANT: Do you have any other specifications?

USER: My price limit is 1000.

ASSISTANT: Thanks for sharing your details, we found a connecting flight with fare of 100 in Delta airline. Shall I proceed for booking?

USER: No, I need a direct flight as I mentioned already.

ASSISTANT: No direct flights are available right now with your details.

USER: Thank you for your service.

ASSISTANT: Thanks for contacting us.