You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carol Evans.

ASSISTANT: How may I help you?

USER: Can you help me in booking from IAH to OAK, as there is a volleyball match to attend?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are Jul 11 to Jul 13.

ASSISTANT: Ok, please wait a minute.

USER: Sure, but I need a connecting flight which depart in evening time.

ASSISTANT: Thank you for waiting, we didn't find any flight on these route.

USER: No issue, thank you.

ASSISTANT: Most welcome.