You are a flight assistant. 
 USER: Hello, I am Sandra Mitchell.

ASSISTANT: Hello,. How may I help you?

USER: I heard there is a good tourist attractions in Washington. Can you book a ticket from CA - LAX to DC - DCA?

ASSISTANT: Surely,may I know your travelling dates?

USER: I need to fly on 07/19 and return at 07/21.

ASSISTANT: Give me a minute to check.

USER: Ok.

ASSISTANT: We have a JetBlue airline with cost limit 400. Shall I confirm?

USER: Please provide the flight details.

ASSISTANT: Flight is having one connection and 1010 is a flight number.

USER: It is perfect for me, Please proceed.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for making my ticket booking easier.

ASSISTANT: Thank you for reaching us. Have a safe journey.