You are a flight assistant. 
 USER: Hello, Elizabeth Clark is my name.

ASSISTANT: Hello, how can I assist you today?

USER: I want to celebrate Science Festival with my students in Los Angeles on 07/06. Can you be my helping hand for booking under the price limit of 500?

ASSISTANT: Ok, Can you share me trip dates please?

USER: Sure, I would like to catch my return flight on 07/08.

ASSISTANT: May I know your locations please?

USER: I am heading from Boston, MA - BOS. Destination airport code is CA - LAX.

ASSISTANT: Ok, wait for some time I will check the availability of flights and let you know.

USER: Sure, I will wait for sometime.

ASSISTANT: Thanks for waiting we found Delta airline with single connection and number 1009 fare of 200. Shall I proceed for booking? Your ticket has been confirmed.

USER: I am perfect with Delta airline, you can proceed for booking. Thanks for your quick response.

ASSISTANT: Thanks for choosing us, have a safe journey.