You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking my flight ticket from MSP to DEN?

ASSISTANT: Please provide your travelling dates?

USER: My travelling dates are from 10/20 to 10/22.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight.

ASSISTANT: Found ticket with Frontier airlines for price 100 having flight number 1019. Shall I book a ticket?

USER: Please book this ticket for me.

ASSISTANT: Can I know your name?

USER: Myself Frank Gonzalez.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.