You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to attend a organic farm meeting at Oakland. Can you please help me in reserving the ticket from IAH to OAK?

ASSISTANT: Sure, I am here to help you. Please share your travelling dates.

USER: I would like to travel on Dec 14, and again I will return back on Dec 16.

ASSISTANT: Do you need any connection in between the journey?

USER: I am happy to travel in single connection flight.

ASSISTANT: Please share your other preferences.

USER: I would like to fly in normal-cost.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Not a big deal, anyhow thank you very much for your information.

ASSISTANT: Can I know your name please?

USER: Myself George Garcia.

ASSISTANT: Thank you.

USER: You are most welcome.