You are a flight assistant. 
 USER: Hi. I am Samuel Turner.

ASSISTANT: Hello, how can I render you today?

USER: I want to book a flight ticket on 08/05 and return on 08/07, so can you help me with booking please?

ASSISTANT: Sure, may I know your locations please?

USER: Yes, my airport codes are CA-LAX and TX-DFW.

ASSISTANT: Ok, do you need any stopover in between your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Thank you for waiting, no flights were found based on your data.

USER: That's ok.

ASSISTANT: Thank you for choosing us.

USER: Thank you for the response.