You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Karen Hernandez.

ASSISTANT: How can I aid you?

USER: I need a connecting flight in my journey, can you help me in booking?

ASSISTANT: Sure, please share your travel dates.

USER: My travelling dates are 05/28 to 05/30.

ASSISTANT: Can I know your airport codes?

USER: It's a round trip, my airport code is LAX.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: The flight 1017 of Delta airlines is available on your requested dates with a price of 100.

USER: You can book it.

ASSISTANT: Karen, your reservation has done successfully.

USER: Thank you for helping.

ASSISTANT: You are welcome.