You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Emily Lopez. I want to book a flight ticket, can you help me?

ASSISTANT: Sure, may I know your travelling dates and airports please?

USER: Sure. I want to go from DC-IAD to TX-HOU. My travelling dates are 12/30 to 01/01.

ASSISTANT: OK, Emily, please wait for sometime to check the available ticket for you.

USER: OK.

ASSISTANT: The flight with 1006 and connections limit is 1 and airline AA of cost 100. Shall I book it for you?

USER: OK,you can proceed.

ASSISTANT: Your ticket has booked. Thank you. Happy journey.