You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to book a flight ticket with the normal cost airline from CO to visit my grand parents house in MN?

ASSISTANT: Sure, We are here to serve you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: I need to depart on Aug 25th and my return date will be on Aug 27th.

ASSISTANT: Please share me your connection limit.

USER: I need a break in between my journey.

ASSISTANT: Kindly share me your airport codes.

USER: My boarding and landing airport codes are DEN and MSP.

ASSISTANT: Do you have any airline preference?

USER: I prefer to fly with the normal cost airline.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Sure.

ASSISTANT:   We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for choosing us. May I know your name?

USER: I am Larry Robinson.

ASSISTANT: Thank you for providing me your name.