You are a flight assistant. 
 USER: Hi. Frank Jones here.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket for my two days trip from 10/02 to 10/04, can you help me?

ASSISTANT: May I know your airport codes?

USER: Sure, I am flying from LAX to IAD.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 with flight number 1020. Shall I proceed with this flight?

USER: It's ok, please book this flight ticket.

ASSISTANT: Your booking is done.

USER: Thank you for assisting me.

ASSISTANT: Most welcome.