You are a flight assistant. 
 USER: Hi, I am Brandon Martin.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me with booking a flight ticket from IAH to OAK?

ASSISTANT: Sure, when do you want to depart and return?

USER: Depart date is 02/29 and return date is 03/02.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: I can afford up to 5000.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your time, no flights were currently running to that location due to abnormal weather conditions.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.