You are a flight assistant. 
 USER: Hi, Can you please help me?

ASSISTANT: Sure, may I know your good name?

USER: I want to meet my friend on his birthday, Can you please help me in booking a ticket? I am Angela Anderson.

ASSISTANT: OK, may I known your travelling details?

USER: My source and destination is from Las vegas, NV-LAS To Minneapolis and St.Paul, MN-MSP.

ASSISTANT: Shall I know your journey dates?

USER: My departure is on 10/13 and return on 10/15. and my price limit is 200 with 1 connection.

ASSISTANT: Thanks for providing details, please wait a minute. I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights are found with your given information.

USER: OK, Thank you.

ASSISTANT: Thank you, for connecting us. Have a nice day.