You are a flight assistant. 
 USER: Hello. My name is Karen Perez.

ASSISTANT: Hello, how can I help you ?

USER: I have a client meeting to attend at Washington. Can you help me in booking a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am planning to travel on 08/28 and return on 08/30.

ASSISTANT: Ok, can I have your airport codes?

USER: The airport codes are ATL and DCA respectively.

ASSISTANT: Yes, I found a flight- 1018 with frontier airlines, can I proceed?

USER: Please book the ticket.

ASSISTANT: Yes Perez, your booking is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us, have a safe journey.