You are a flight assistant. 
 USER: Hello, I am Paul Martinez.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to attend an Meeting at Los Angeles. Can you please help me in booking a ticket?

ASSISTANT: Sure, can you please provide your journey points?

USER: My journey points are from LAS - LAX.

ASSISTANT: May I know your price limit?

USER: My price limit is 200.

ASSISTANT: Please let me know your planned dates of travel?

USER: My travel dates are from 06/28 to 06/30.

ASSISTANT: Do you have any connection limit?

USER: I want a flight having single connection.

ASSISTANT: Please wait a minute, I will check the availability of flights and revert you.

USER: Sure.

ASSISTANT: Sorry, there were no flights available from your source.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for your information.