You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: I am planning to travel from SFO to PHX, help me in booking a flight?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates are Nov 01 to 03.

ASSISTANT: Are you ok with connecting flight?

USER: I prefer travelling in single connection flight.

ASSISTANT: Do you have any more specifications?

USER: I want to depart in afternoon.

ASSISTANT: May I know your name please?

USER: I am Dorothy Lee.

ASSISTANT: Please wait a moment to check the flights. Unfortunately there are no flights running on your route with your required preferences.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us, hope you have a great day.