You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you for the day?

USER: Due to having the Holiday festivals, I am going to meet my family on 02/25.

ASSISTANT: Ok.

USER: Could you be at my service for booking a ticket?

ASSISTANT: Sure, we are mirthful to serve you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Alexander Lopez is my name.

ASSISTANT: Can I have your return date?

USER: On 02/27, I will back to my place.

ASSISTANT: Help me with your airport codes please.

USER: Los Angeles, LAX is the source point. Destination: Washington, DCA.

ASSISTANT: Give me a minute to check for the flight availability.

USER: Ok.

ASSISTANT: Thanks for giving your time, there is a connecting flight of Southwest airline available with your requirements.

USER: Fine.

ASSISTANT: Flight number is 1001 with fare 100, Shall I proceed?

USER: Yes, please.

ASSISTANT: Your  reservation has been confirmed.

USER: Thank you for your service to me.

ASSISTANT: Thank you for approaching us.