You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Jeffrey Rodriguez. I am planning to attend my cousin wedding in Oakland CA - OAK, so please help me in booking a flight ticket from TX - HOU.

ASSISTANT: Sure, I am here to aid you. May I know your travelling dates?

USER: I would like to fly on 05/09 and return on 05/11.

ASSISTANT: May I know your price limit?

USER: I can afford up to 5000.

ASSISTANT: Sorry, no flights found on your requested travelling dates.

USER: Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you.