You are a flight assistant. 
 USER: Hello.

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

USER: I am Jacob Wilson. I want to go for comic show at DFW, Can you please book a ticket for me? Origin: OAK.

ASSISTANT: Sure, we will assist you for booking. May I know your journey dates?

USER: My depart is on 11/29 and return is on 12/01.

ASSISTANT: Ok, Is there any price limit?

USER: Price limit 200. I need 1 connection.

ASSISTANT: Thanks for sharing your information, please standby.

USER: Ok.

ASSISTANT: Unfortunately, we did not find any flights according to your journey dates.

USER: Ok. Thank you.

ASSISTANT: Thank you for contacting us.