You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I assist you today? May I know your good name please?

USER: I am Catherine Gonzalez.

ASSISTANT: Can you please provide me your travelling details and dates?

USER: Ya sure. I need to travel from Los Angeles CA-LAX to Washington DC-IAD. My depart is on 11/19 and returning on 11/21.

ASSISTANT: Ok, please wait a moment I will check and revert to you. Happy to inform you there is flight that matches all your preferences.

USER: OK.

ASSISTANT: Here are the details, flight number is 1007 with UA airline.

USER: OK please proceed with booking.

ASSISTANT: Ok. Your ticket is confirmed. Thank you for reaching us. Have a nice journey.

USER: Thank you.