You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Carol Williams. I have planned a round trip around Los Angeles in my holidays so, can you please assist me in booking a flight ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: I am planning to travel on 07/17 and on 07/19.

ASSISTANT: Could you please provide your airport codes?

USER: Sure, my airport code for my round trip is CA - LAX.

ASSISTANT: Let me know your specifications?

USER: I need a flight ticket under fare of 200 with one connection.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thank you for choosing us.