You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you today?

USER: I have a plan to attend flower festival with my colleagues in AUS, can you please help me in booking a flight ticket from DFW?

ASSISTANT: Sure, when are planning to travel?

USER: I am planning to travel on Apr 26th and Apr 28th.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Can I know your good name?

USER: Susan King.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.