You are a flight assistant. 
 USER: Hi, my name is Joshua Garcia.

ASSISTANT: Hello. How can I serve you?

USER: Can you help me book a flight ticket within the price of 200 from Atlanta to Los Angels?

ASSISTANT: Sure, Can I know your travelling dates?

USER: They are planned to be on 12/18 and 12/20.

ASSISTANT: Kindly share me  your airport codes.

USER: My journey is from ATL to LAX.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: We found a Hawaiian airline, flight number:1017 and the price is 200.

USER: Go ahead for booking with this airline.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.