You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you reserve a flight ticket for me with a price below 1000?

ASSISTANT: Sure, I am happy to help you. Can you please help me with travel dates?

USER: I want to visit New York on 10/14 and start my journey on 10/12.

ASSISTANT: Ok, can you please mention your trip airport codes?

USER: The airport codes for travel would be from LAX to LGA.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there are no flights found with the dates you have given.

USER: Ok, that's not a problem.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Sarah Jones.

ASSISTANT: Ok, thank you for providing the information.