You are a flight assistant. 
 USER: Hello, Gregory Perez here.

ASSISTANT: Hello, how can I aid you?

USER: Most of the time the prices shoot up by the time I reached my payment stage in case of websites, could you please search any inexpensive flight from HOU to OAK?

ASSISTANT: Sure, may I know your journey dates please?

USER: Sure, I would like to fly on 08/18 and 08/20.

ASSISTANT: Wait a moment please.

USER: Ok, I will wait for your response.

ASSISTANT: Gregory Perez, we couldn't find any flights under your name in our database.

USER: It's ok, I will think any other way to reach my location.

ASSISTANT: Thank you for approaching us.