You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Kathleen Adams here. Please help me out in booking the ticket from LAX to IAH.

ASSISTANT: Sure, may I know your planned trip dates please?

USER: My trip dates will be July 29 to July 31.

ASSISTANT: Do you have any specifications?

USER: My depart time and return time must be in the afternoon with 1 connection.

ASSISTANT: Kathleen Adams, no flights has been found on your trip dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for approaching us.