You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I need to travel from IAH to OAK, can you help me?

ASSISTANT: Sure, may I now your travelling dates?

USER: My travel dates are 08/30 and 03/01.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: Please reconfirm your travelling dates.

USER: Sorry, my return date is 09/01.

ASSISTANT: On which name shall I reserve flight ticket.

USER: Timothy Moore.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching our service.