You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Daniel Hernandez this side, I have took a catering order for wedding anniversary at Dallas, can you help me to book a ticket?

ASSISTANT: Ok, may I know your travel dates please?

USER: My plan is to move on 12/22 and return back on 12/24.

ASSISTANT: Ok, may I know your airport codes please?

USER: I am going to start from SFO and return from DFW.

ASSISTANT: Ok, hold on for a moment. I found a flight for you with Frontier airline and it costs you 100.

USER: Make sure that flight does not have more than 1 stop.

ASSISTANT: Shall I proceed? Sorry Daniel, there are no flight with single connection.

USER: Ok, no problem, I will go by road.

ASSISTANT: Ok, Thank you for choosing us.

USER: Thank you for your help.

ASSISTANT: Have a good day.