You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, may I know your name?

USER: I am David Rodriguez.

ASSISTANT: How can I be your helping hand for today?

USER: As there is a flower exhibition going to be held in New York, LGA , I want buy some species for my nursery.

ASSISTANT: Ok.

USER: Can you help me in booking my ticket from DFW?

ASSISTANT: Sure, we are here to make your booking in a easy process. May I know your journey dates?

USER: I will fly on 08/14 and recur on 08/16.

ASSISTANT: Thank you for providing your information, give me a minute.

USER: Sure.

ASSISTANT: Thank you for your time. No flights found with your journey locations.

USER: Ok, Thank you for being helpful.

ASSISTANT: Thank you for choosing us. Have a great day.