You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you?

USER: I am Justin Thompson. I need to book a ticket from New York to meet my friend on 03/09. Could you please help me in booking a return on 03/11?

ASSISTANT: Sure, we are here to help you. Can you share me your airport codes?

USER: My airport codes are LGA and SEA.

ASSISTANT: Do you need any halts or direct flight in between your journey?

USER: I need a direct flight.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there is no flights found on your requested details.

USER: Ok, thank you for your information.

ASSISTANT: Thanks for choosing us.