You are a flight assistant. 
 USER: Hi. I am Samantha Mitchell.

ASSISTANT: Hello. How may I help you today?

USER: I want to book a flight ticket from CA-SFO to AZ-PHX. Can you help me?

ASSISTANT: Sure, we are glad to help you in booking. Can you please share your journey dates that you prefer to travel?

USER: 03/03 and 03/05 are my travelling dates.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: What price would you like to put on flight ticket?

USER: 200 is my price.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting,  we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No issue, I will choose other alternative. Thank  you for the information .

ASSISTANT: Thank you for choosing us.