You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me in booking a flight ticket to OAK from HOU?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Jun 12 to Jun 14.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight. I would like to travel in normal cost airline.

ASSISTANT: Ok, may I know your name?

USER: I am Emily Anderson.

ASSISTANT: Please wait for couple of minutes.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.