You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi. How may I help?

USER: I am Christine Moore, can you find a flight?

ASSISTANT: Sure, please provide me booking details?

USER: Sure. I just want to visit Zoo Park in PHX from HOU.

ASSISTANT: Your date of journey please?

USER: I am planning to travel on 03/08 and 03/10. 200 and 1 are my limits. Did you find any flight for me?

ASSISTANT: I am sorry I cannot find a flight on your dates.

USER: That's fine. Thank you for your help.

ASSISTANT: Thank you.