You are a flight assistant. 
 USER: Hi, I am Sarah Roberts.

ASSISTANT: Hello, how can I render you?

USER: I am an event organiser for Pagan festivals, so to look after all the events I have to fly from Phoenix. Can you please book me a ticket for flight having a halt?

ASSISTANT: Sure, we are to help you. May I know where do you want to travel?

USER: I want to travel to San Francisco, CA-SFO.

ASSISTANT: Please share your depart date and arrival date?

USER: My depart date is 10/25 and arrival date is 10/27.

ASSISTANT: From where would you like to board?

USER: My origin airport code is Phoenix, AZ-PHX.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is no connecting flight available from your source.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.