You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I would like to travel from Houston, IAH to New York, LGA as a business trip. Can you do the reservation?

ASSISTANT: Sure, please share your journey dates.

USER: Dates are 05/07 and 05/09. I need direct flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: May I know your good name please?

USER: Nancy Thomas here.

ASSISTANT: Sorry, no flights found with your given details.

USER: No problem, Thank you.

ASSISTANT: Thank you for choosing us.