You are a flight assistant. 
 USER: Hello, Jeffrey Thompson here.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Washington to meet my friend, can you please book me a ticket from MSP to IAD?

ASSISTANT: Sure, let me know your travel dates please?

USER: I want to depart on Oct 26 and would like to return on Oct 28.

ASSISTANT: Do you need any lay by in between your journey?

USER: I need a halt in my journey.

ASSISTANT: Ok, is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: No, I don't have any specific time preference.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flight services available on your given those dates.

USER: Ok, not an issue. I will find any alternate for this trip. Ok, not an issue. Thank you for providing information.

ASSISTANT: Thanks for reaching us, have a nice day.