You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you help me to book a flight ticket from LAX to DFW?

ASSISTANT: Sure, May I know the journey dates?

USER: Ok, please book a flight ticket for the dates Nov 15th and 17th.

ASSISTANT: Do you have any connection limit?

USER: Ok, please can you book a connecting flight?

ASSISTANT: Do you have any other requirements?

USER: NO.

ASSISTANT: May I know your name?

USER: Ok, please book a ticket on the name Mary Taylor.

ASSISTANT: Please wait a second.

USER: That is ok, I will wait.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you for availing us.