You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I am Laura Robinson. Can you please book a flight ticket from IAH to PHX?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are, depart on June 18th and arrival on June 20th.

ASSISTANT: Do you have any specifications?

USER: My depart time should be in the morning, and return back in evening flight. I need a connection in between journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.