You are a flight assistant. 
 USER: Hello. Edward white here.

ASSISTANT: Hello White, how may I assist you?

USER: I want to attend my cousin's marriage in Seattle.Can you please help me for booking a ticket?

ASSISTANT: Sure, may I know your preferable dates of travelling?

USER: My travelling dates are from 01/27 and return date is 01/29.

ASSISTANT: Could you please provide your nearest airport codes for booking?

USER: My airport codes are from MI-DTW to WA-SEA. Make sure my connections limit is 1. My price limit is 200.

ASSISTANT: Ok, Based on your details flight number 1001 from AA airline is available for you. Shall I proceed with it?

USER: Please proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for using our service, have a nice journey.