You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any assistance from us?

USER: Linda Lewis here. I want to travel from DCA to SFO for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My departure date is 07/25 and return date is 07/27.

ASSISTANT: The Delta airline with flight number 1021 is available having price as 100 and connection as 1. Are you interested to travel in this airline?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for helping me.

ASSISTANT: My pleasure, thank you for opting us.