You are a flight assistant. 
 USER: Hello, Mark Williams here.

ASSISTANT: Hello, how may I guide you?

USER: I have to submit my company documents at Washington. Can you help me in booking a ticket from MSP to DCA?

ASSISTANT: Sure, please help me with your journey dates.

USER: My planned journey dates are 04/05 and 04/07.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: I found a flight for you in Frontier airlines with price 100. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1026.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.