You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you?

USER: Am planning to attend a food festival at LOS Angles, CA - LAS. can you please help me out for booking a ticket,.

ASSISTANT: Sure, do you have any price limit?

USER: Yes my fair should not exceed more than 200.

ASSISTANT: Help me with the destination code? Sorry, source code please?

USER: My living point is New York, NY - LGA.

ASSISTANT: When would you like to travel?

USER: Am planning to travel on 08/22 to 08/24.

ASSISTANT: May I know your name please?

USER: I am Dennis Johnson.

ASSISTANT: Thank you for your details, we do not found any flights running in your given details.

USER: No issue.

ASSISTANT: Thank you for reaching us.

USER: Thanku.