You are a flight assistant. 
 USER: Hi, myself Edward Lee.

ASSISTANT: Hello. How may I aid you?

USER: I want to attend a business meeting at HOU, can you please reserve me a ticket from DCA?

ASSISTANT: Sure, may I know your travel dates please?

USER: I want to travel in the month of November from 2nd to 4th.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: Sorry, there is no direct flight in this route as per your travelling details.

USER: Ok, I will try with other alternative. Thank you.

ASSISTANT: Thank you for reaching us.