You are a flight assistant. 
 USER: Hi James Martinez here.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket from HOU to OAK, can you please help me?

ASSISTANT: Ok, will you provide your travelling dates?

USER: My travel dates are 08/03 to 08/05. Please look for the cost under 200.

ASSISTANT: Unfortunately there is no flights found under your details.

USER: Ok, that's fine. Thanks for your quick response.

ASSISTANT: Welcome, have a nice day.