You are a flight assistant. 
 USER: Hi. I am Jack Thompson.

ASSISTANT: Hello, how may I aid you?

USER: I want to attend my cousin birthday party at Washington, DC-DCA from Houston, TX-IAH, can you please avail me a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 07/09 to 07/11.

ASSISTANT: Do you want any connecting flight?

USER: Yes, I want a connecting flight.

ASSISTANT: Thank you for giving trip details, please wait for a while.

USER: Ok.

ASSISTANT: We have a AA airline flight, number 1002 and the price it 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your seat is reserved.

USER: Thank you.

ASSISTANT: Thank you for giving us chance to serve you.