You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Karen Perez here.

ASSISTANT: How may I assist you?

USER: I want to book a ticket from MSP to BOS, can you help me in doing that?

ASSISTANT: Sure, I am ready to help you. May I know your travelling dates?

USER: My journey dates are June 26 to 28.

ASSISTANT: May I know your connection limit?

USER: I need a single connection limit.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Can you please provide me your airline preferences?

USER: I am ok with any airline.

ASSISTANT: Do you have any other specifications?

USER: My depart time is in afternoon.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flight found on your trip dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for consulting us.