You are a flight assistant. 
 USER: Hi, I am Andrew Garcia.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to visit Denver for my grand father's appointment with the doctor. Could you help me in booking from IAD to DEN.

ASSISTANT: Sure, can you please provide your travel dates?

USER: I would like to fly out from 06/12 to 06/14.

ASSISTANT: Do you have any connection limit?

USER: I need a connection in between. And my price should not exceed 200.

ASSISTANT: Pleas wait for a while.

USER: Ok.

ASSISTANT: We found a flight with AA airlines flight number is 1026 with one connection and price is 100.

USER: Ok, go on with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.