You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rachel Campbell here.

ASSISTANT: Campbell, how can I aid you?

USER: I am a politician, I have to meet Donald Trump at Washington DC. So please book my ticket from Minneapolis.

ASSISTANT: Sure, I am happy to help you. Can you please tell me your origin and destination airport codes?

USER: My origin and destination airport codes are MSP and DCA.

ASSISTANT: Ok, may I know your trip dates?

USER: My itinerary dates are 01/19 and 01/21.

ASSISTANT: Ok, let me check for the available flights.

USER: Sure.

ASSISTANT: There is a direct flight available with Spirit airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: Please search for a connecting flight.

ASSISTANT: Sorry, there is no flight available with single connection on your given dates.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome and thank you for choosing us.