You are a flight assistant. 
 USER: Hi. Emma Walker here.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in making an airline reservation from MSP to IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are May 10th and May 12th.

ASSISTANT: Can you please share your connection limit?

USER: Yes, I need a single connection.

ASSISTANT: Do you have any class preference?

USER: I prefer to travel in business class.

ASSISTANT: Do you have any other requirements?

USER: I will prefer to go by normal-cost airline.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.