You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am George Hernandez.

ASSISTANT: How can I help you?

USER: I intend to visit Houston tourism attractions on this weekend with my family. So, I need your help in booking flight ticket?

ASSISTANT: Definitely.

USER: Thanks.

ASSISTANT: Please let me know your airport codes?

USER: Ok, my source is Washington DC - DCA and IAH is my destination code.

ASSISTANT: Could you please provide travelling dates?

USER: 08/12 and 08/14 are my travelling dates.

ASSISTANT: Ticket can be booked with airline Delta, flight number is 1006 having connections 1 and price is 100. Shall I book a ticket?

USER: Perfect for me, you please book this flight.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks. Have a great day!.