You are a flight assistant. 
 USER: Hi,. I am Emma Hall.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to visit Korean war veterans memorial in Washington DC - DCA. Can you help me to book a connecting flight?

ASSISTANT: Sure, can you please provide your source airport code?

USER: My source is from Los Angeles, CA - LAX.

ASSISTANT: May I know your travel dates?

USER: I want to fly on 05/26 and recur on 05/28.

ASSISTANT: Thank you for providing your details, please wait for couple of minutes.

USER: Sure.

ASSISTANT: An airline Delta with flight number 1013 having a halt with ticket fare 100.

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.