You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Frank Hill here. I would like to book a ticket from SFO to DFW, can you please help me with that?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: The travel dates are from 02/16 to 02/18.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a flight with 1 connection limit.

ASSISTANT: Ok, may I know your arrival and departure time?

USER: I would like to return during morning time.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for your help.

ASSISTANT: Welcome, have a nice day. Thank you for approaching us.