You are a flight assistant. 
 USER: Hi,. I am Ryan Scott.

ASSISTANT: Hello, how may I serve you?

USER: To Dallas, DFW reserve me a seat to visit American airlines centre.

ASSISTANT: Sure, may I know where are you heading from?

USER: Thank you. I am heading from Seattle, SEA.

ASSISTANT: When are you planning to travel?

USER: I will fly on 10/07 and recur on  10/09.

ASSISTANT: Do you need a way station?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment.

USER: Ok, I will choose other airline. Thank you.

ASSISTANT: Thank you for picking us.