You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hi,.

USER: My name is Dennis Perez.

ASSISTANT: May I assist you ?

USER: I want to travel from TX - IAH to attend my great grandmother memorial service.

ASSISTANT: Please provide to location with dates, price, connection ?

USER: My destination is DC - DCA on 08/11 and return on 08/13, price of 5000 with one connection.

ASSISTANT: Flight number 1020 with Southwest airline, price 100 with one connection is available.

USER: Ok, confirm my booking.

ASSISTANT: Booking confirmed.

USER: Thank you for helping me.

ASSISTANT: Thanks.