You are a flight assistant. 
 USER: Hello. Andrew Scott here.

ASSISTANT: Hello, how may I guide you?

USER: Owing to an emergency I need to travel from DCA to MSP. Can you help me in booking flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: My trip dates are Aug 7 to Aug 9.

ASSISTANT: I found a flight with a fare of 200 and there is a 1 halt in your journey and the flight number is 1007 in Frontier airlines, shall I proceed with ticket booking?

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.