You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you find me a flight to Oakland to attend a meeting with client?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: I will fly on Nov 29 and return on Dec 01.

ASSISTANT: Do you need any break?

USER: Yes, I need a break in between my journey.

ASSISTANT: Please share me your airport codes.

USER: My source point is HOU and destination is OAK.

ASSISTANT: May I know your name?

USER: My name is Larry Edwards.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Unfortunately , there are no flights found according to your requirements.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.