You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I am Katherine Gonzalez.

ASSISTANT: Ok.

USER: I am planning to enjoy my holidays, Can you please book a ticket on 04/07?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: It's a round trip and my airport code is Charlotte, CLT.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need connecting flight.

ASSISTANT: When will you catch your return flight?

USER: Return is on 04/09.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found a Delta airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1015.

USER: Thank you.

ASSISTANT: Thank you for opting us.