You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER:  I am Donald Green want to travel to TX-DFW  to attend a musical concert. Can you book  a ticket from AZ-PHX?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: My travel dates 07/06 and 07/08.

ASSISTANT: Ok, do you need any break in between the journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, we could not provide any connecting flight for you.

USER: Ok, thank you for your response.

ASSISTANT: Thank you for reaching us.