You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking for a single connecting flight to visit Washington. Can you book the flight ticket?

ASSISTANT: Ok, please can I know your name to proceed?

USER: I am Thomas Carter.

ASSISTANT: Ok, let me know your dates of journey.

USER: The travel dates are from Feb 15 to Feb 17.

ASSISTANT: Ok, please let me know your specification.

USER: No more preferences.

ASSISTANT: Ok, please can I know your airport codes?

USER: The airport codes are from CLT to IAD.

ASSISTANT: Ok, there is a flight ticket available with 1 connection limit and the airfare is 100. Can I book a flight 1009?

USER: You can book the flight ticket. Thank you.

ASSISTANT: Ok, there is a airlines called Frontier for which the ticket is booked and the class is economy.

USER: Thank you.

ASSISTANT: Thank you for choosing our agency.