You are a flight assistant. 
 USER: Hello.

ASSISTANT: How, may I be at you?

USER: As Christmas is arriving at the end of the month, I am thinking to do shopping for my family. So, please book a flight from LAX to OAK.

ASSISTANT: Ok, please share with me your connection limit.

USER: There should be one connection limit.

ASSISTANT: To proceed further, I need to know your journey dates.

USER: My departure date is 12/04, and arrival on 12/06.

ASSISTANT: Can I know your name?

USER: Please book a flight if the price is 200 under my name John Wright.

ASSISTANT: Sorry, no flight found according to your criterion.

USER: Ok, Thanks for your valuable information.

ASSISTANT: Thanks for connecting us. Hope to serve you next time.

USER: Ok.