You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Lisa Jones.

ASSISTANT: How may I aid you today?

USER: Can you please reserve me a flight ticket from New York, EWR to Houston, IAH?

ASSISTANT: May I know your planned travel dates please?

USER: My trip dates are May 25 - May 27.

ASSISTANT: Do you need any connection in between your journey?

USER: I need a single connecting flight.

ASSISTANT: We found a direct flight with an airline Frontier of flight 1009 and cost is 100 in an economy class.

USER: Please proceed to book.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.