You are a flight assistant. 
 USER: Hi, I am Samuel Young.

ASSISTANT: Hello, thanks for connecting with us. How can I help you?

USER: I need to book a ticket for submitting me practical record in my college on 07/05. Could you please help me in doing that?

ASSISTANT: I'll be glad to help you. Can you please share your exact journey details?

USER: My airport codes are IAD and MSP. Make sure that the price should not be exceed  500.

ASSISTANT: Would you like to book a return ticket also?

USER: Yes, I intent to return on 07/07.

ASSISTANT: Spirit airline is providing a ticket with your requested route and the price is just 100 with 1 connection. Are you ok with it?

USER: You can proceed with that airline.

ASSISTANT: Your reservation is confirmed with service 1007 flight.

USER: Thank you.

ASSISTANT: Thank you and have a nice day.