You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Christopher Jones here, I want to reserve my ticket from SFO to PHX, can you please help me?

ASSISTANT: Sure, may I know your preferred trip dates please?

USER: Sure, my planned dates of journey is from 01/21 to 01/23.

ASSISTANT: Please wait for a minute.

USER: Sure, but make sure that the connections limit is 1.

ASSISTANT: There are no flights available with your preferences.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for contacting us.