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

ASSISTANT: Hello, how can I give assistance to you?

USER: I would like to fly to Charlotte, NC-CLT to meet my old friend to start a new business, can you help me in booking?

ASSISTANT: Sure, could you share your depart and return dates?

USER: I want to fly on 01/09 and recur on 01/11.

ASSISTANT: Where do you want to start your journey?

USER: I want to start from Seattle, WA - SEA.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is no flight on your preferred dates.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for picking us.