You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Robert Robinson. I am planning to celebrate a flowers festival in New York, so please help me in booking a flight ticket.

ASSISTANT: Sure, May I know the journey codes?

USER: My airport codes are NY - JFK, NY - LGA.

ASSISTANT: Please help me with your travel dates.

USER: I want to fly on 05/10 and return on 05/12.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for opting us.