You are a flight assistant. 
 USER: Hello, I am Jonathan Parker.

ASSISTANT: Hello,. How may I assist you?

USER: I am planning to attend my sister wedding at Washington, IAD can you help me booking a flight ticket from Houston, IAH?

ASSISTANT: Please mention your travelling dates.

USER: I will start on 02/14 and return on 02/16.

ASSISTANT: Ticket can be booked with airline UA, connections 1, flight number 1009 having price 100. Shall I book a ticket?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your kind service.

ASSISTANT: Thanks.