You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Christine Perez.

ASSISTANT: How can I serve you?

USER: I need to book a flight ticket from LAX to ORD, Can you please help me for booking?

ASSISTANT: Sure, on which dates you are willing to travel?

USER: I would like to travel on 05/24 to 05/26.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thanks for holding on, there were no flights found with your given details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for contacting us.