You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Due to having an important work at DFW, I need your help to book a ticket under the price limit of 200 to go there.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: On 01/10, I have to start my journey. And the return date is 01/12.

ASSISTANT: Can you please provide your source code?

USER: Book a ticket from Los Angels, LAX to reach the destination.

ASSISTANT: May I know your good name please?

USER: Please reserve a ticket with the name of Daniel Edwards.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: It's Ok.

ASSISTANT: Sorry, there is no flights found on your given dates.

USER: No worries, I will choose another flight. Thank you for addressing me.

ASSISTANT: Thank you for choosing us, have a good day.