You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Mitchell.

ASSISTANT: How may I assist you now?

USER: I am planning to change my reservation to another destination, so can you help me to change my reservation?

ASSISTANT: Gary Mitchell, please allow me to check with your previous booking.

USER: Ok.

ASSISTANT: May I know your new desired airport codes?

USER: My airport codes are MSP to SEA.

ASSISTANT: What are your planned dates for this journey?

USER: My travelling dates are 12/08 to 12/10.

ASSISTANT: Do you need any stopover between your journey? Sorry to tell you, there is no flight reservation found under your name.

USER: I need 1 connection.

ASSISTANT: There is no fight available for your journey.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching our assistance.