You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Jennifer Anderson here. I want to attend a Seminar in Minneapolis. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thanks.

ASSISTANT: Please share your travelling dates.

USER: My travelling dates are 03/10 and 03/12.

ASSISTANT: Ok, can I know your airport codes please?

USER: My airport codes are IAD and MSP.

ASSISTANT: How much you can pay for this ticket?

USER: I can afford up to 5000.

ASSISTANT: Please share your class preference.

USER: It's not an issue.

ASSISTANT: Wait a minute please.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us, have a nice day.