You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you at this moment?

USER: I am Christopher Smith here, I want to reserve my ticket from MSP to SFO, can you please help me?

ASSISTANT: I am glad to help you about your flight ticket booking. Can you please provide your planned dates of journey?

USER: Sure, my planned dates of journey are from 08/25 to 08/27. I need a direct flight.

ASSISTANT: Please be on hold for sometime to find the flight accordingly.

USER: Sure, I will wait for your response.

ASSISTANT: I regret to say this Smith, there are no flights which travels to your region on your planned dates of journey.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.