You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket from New York to meet my former colleague in Washington, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: I intend to start on Aug 2nd and my return date will be on Aug 4th.

ASSISTANT: May I know your name?

USER: I am Robert Evans.

ASSISTANT: Please share me your airport codes.

USER: My boarding and landing airport codes are LGA and IAD.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I do't have any other comforts.

ASSISTANT: We found a connecting flight with an Frontier airlines, flight number:1012. Can I reserve it?

USER: That's fine, you can book the ticket with this airline.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.