You are a flight assistant. 
 USER: Hello. I am Patricia Jones.

ASSISTANT: Hello, how may I help you?

USER: I am planning to attend flower festival with my colleagues in AUS, would you please assist me in making an airline reservation from MSP?

ASSISTANT: Sure, will you share me your travelling dates?

USER: My depart will be on Apr 25th and return on Apr 27th.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Can you share me your departure and arrival timings?

USER: The return time should be evening.

ASSISTANT: Sure, may I know any other specifications?

USER: I don't have any other specifications.

ASSISTANT: Sorry, there are no flights running with your requirements.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.