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

ASSISTANT: Hello, how may I render you today?

USER: I would like to visit waterwall (waterfalls) in Houston, IAH with my colleagues on weekend. Can you please make a reservation with direct flight?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates on 03/10 and 03/12.

ASSISTANT: May I know from where you wish to board?

USER: I wish to board from New York, EWR.

ASSISTANT: Ok, please wait for couple of minutes.

USER: Sure.

ASSISTANT: We did not found a direct flight on your preferred dates.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.