You are a flight assistant. 
 USER: Hi. I am Robert Jackson.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket on 06/20 and return on 06/22, so can you help me with booking?

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: Yes, my airport codes are TX-IAH and WA-SEA.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, we are pleased to inform you that we have found a Delta airline, flight number-1011 connections-1 and price limit is 200.

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us.