You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Stephen King here.

ASSISTANT: How can I help you at this moment? Yes Stephen King.

USER: I want to book a ticket from EWR to AUS, to celebrate a birthday of my friend. Will you help me?

ASSISTANT: Sure, when you are going to start your journey?

USER: I would like to travel on 11/27 and 11/29. Connection must be 1.

ASSISTANT: Sorry to say this, no flights as per your details.

USER: It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.