You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to book a flight ticket from New York to attend a robotic workshop in Los Angeles, can you help me to book a flight ticket with single connection?

ASSISTANT: May I know your name please?

USER: I am Nancy Taylor.

ASSISTANT: Please share your trip dates for booking?

USER: I want to depart on Dec 3rd and my return date will be on Dec 5th.

ASSISTANT: Can you please specify the airport code of New York?

USER: My boarding and landing airport codes are LGA and LAX.

ASSISTANT: Is there any specifications for you?

USER: No, I don't have any other specifications.

ASSISTANT: Give me a while.

USER: Sure.

ASSISTANT: Sorry for inconvenience that there is no flights found as per your preferences.

USER: Ok, not an issue. Thank you.