You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I assist you?

USER: Sandra Edwards is here. I want a flight with 1 connection. Can you book a flight with price limit 500?

ASSISTANT: Sure, may I know your journey dates?

USER: I want to attend a business meeting at Atlanta. Journey dates are from 07/21 to 07/23.

ASSISTANT: Can you provide your journey  codes?

USER: My airport codes are from IAD to ATL.

ASSISTANT: Thank you for the information, we found a flight with 1003 as flight number and Southwest as airline.

USER: Ok.

ASSISTANT: Shall I go with booking?

USER: Can you share the price?

ASSISTANT: The cost of the ticket is 100.

USER: Yes, proceed booking.

ASSISTANT: Your booking has been done.

USER: Thank you for quick response.

ASSISTANT: Thank you for reaching us.