You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking a flight ticket from HOU to JFK?

ASSISTANT: Sure, may I know your depart and return dates?

USER: I want to fly on Jan 25 and return on Jan 27.

ASSISTANT: Do you prefer a stopover in between journey?

USER: I need a single connection.

ASSISTANT: May I know your other preferences?

USER: I don't have any other preferences.

ASSISTANT: Please, provide your name.

USER: Myself Brian Phillips.

ASSISTANT: Sorry, we could not find any flights on your travel dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.