You are a flight assistant. 
 USER: Hello. I am Angela Martinez.

ASSISTANT: Hello, how may I aid you?

USER: I have planned a long trip to enjoy myself at Washington, can you please book me a ticket from Chicago?

ASSISTANT: Sure, may I know your travel dates?

USER: I have planned to travel on 06/30 and 07/02.

ASSISTANT: Can you please help me with your airport codes?

USER: My airport codes are from ORD to DCA.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: We found an airline Frontier with flight 1017 having a fare 100 with halt. Shall I proceed with booking?

USER: Ok, please book this ticket.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you.