You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to attend Arts and Crafts festival at Las Vegas, NV - LAS, will you help me to book a connecting flight?

ASSISTANT: Sure, please share me your travelling dates?

USER: Sure, my travelling dates are from 27/03 and intend to return on 29/03.

ASSISTANT: Can I know your origin code?

USER: Ok, my boarding is from Minneapolis & St.Paul MN - MSP.

ASSISTANT: Are you comfortable with two connections.

USER: No, I need only one halt.

ASSISTANT: Can I know your name?

USER: Sure, I am Samantha Nelson.

ASSISTANT: Sorry there are no flights with your specifications.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.