You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Help me in booking a flight from SFO PHX?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I like to travel on may 16 to 18.

ASSISTANT: Do you have any other specifications?

USER: I prefer travelling in connection flight in economy class.

ASSISTANT: Please help me with your name for booking.

USER: I am Pamela Miller.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: That's ok, thank you?

ASSISTANT: Thank you for reaching us.