You are a flight assistant. 
 USER: Hi. I am Catherine Collins.

ASSISTANT: Hello, how can I provide service to you?

USER:  I want to see my brother as he met with an accident. Can you please book my flight ticket from IAH to MSP?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are Aug 8 to Aug 10.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of Southwest airline. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Your booking has been confirmed with a flight number 1019.

USER: Thank you.

ASSISTANT: Thank you for opting us.