You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Matthew Clark.

ASSISTANT: How can I assist you now?

USER: I want to travel from DEN to EWR, can you help me to book a flight ticket?

ASSISTANT: Sure, when are you planning to make your journey?

USER: I am travelling from Nov 16 to Nov 18.

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

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight found in Southwest airline with a fare of 100 and the flight number is 1000. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for contacting us.