You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I would like to visit Comerica park with my children in holidays, can you help me in booking a flight ticket to Detroit, MI - DTW?

ASSISTANT: Sure, May I know the source code?

USER: My source is Las Vegas, NV - LAS.

ASSISTANT: Please help me with your travel dates.

USER: My journey dates are 12/26 and 12/28.

ASSISTANT: May I know your name?

USER: My name is Brenda Garcia.

ASSISTANT: We have found a direct flight from UA airline. Shall I proceed?

USER: Do not proceed, I need a connecting flight. Thank you.

ASSISTANT: Ok. Thank you for reaching us.