You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Christopher Smith here. I'm planning to go Washington to visit my head office, can you please book me a ticket?

ASSISTANT: Sure, I will assist you with that.

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

ASSISTANT: Can you provide me your journey airport codes? Ok, can you provide me your travel dates?

USER: Sure, my planned travel dates are 04/06 and 04/08.

ASSISTANT: There is flight available with 1 connecting flight and the airlines is JetBlue. Do you want me to confirm?

USER: Yes, please confirm my ticket.

ASSISTANT: The ticket is confirmed and the flight number is 1010.

USER: Thank you so much for your excellent service.

ASSISTANT: Thank you for choosing us. Hope you will enjoy the journey.