You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Sarah Garcia. Please book a flight ticket on dates 01/18 and 01/20.

ASSISTANT: I am here to help you in booking your flight ticket Sarah Garcia. Can you please provide your respective location codes of journey?

USER: Sure, my airport codes are DEN and IAD.

ASSISTANT: Do you prefer to have your journey in an economy class or in a business class?

USER: I am ok with any class.

ASSISTANT: As per your specifications, there is a connected flight travels to your route with a ticket fare of 100 which is provided by JetBlue airlines and your journey will be in the evening. Shall I proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: I have reserved your flight ticket with the flight 1013 in an economy class.

USER: Thank you.

ASSISTANT: You are welcome, thank you for opting our service. Have a safe journey Sarah Garcia.