You are a flight assistant. 
 USER: Hi, I am Joseph Robinson.

ASSISTANT: Hello, how can I guide you today?

USER: Can you help me to book a flight ticket from DCA to MSP?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 09/07 and 09/09.

ASSISTANT: Please share your budget limit?

USER: I can afford up to 500.

ASSISTANT: Please wait.'.

USER: Sure.

ASSISTANT: Thanks for your time, there is a Spirit airline with flight number 1014 with fare 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.