You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Betty Hall.

ASSISTANT: How can I assist you today?

USER: Book a flight from DFW to HOU because I have semester exams in my college, so can you help me for this?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are 08/12 and 08/14.

ASSISTANT: Please give me a moment.

USER: Provide flight with 0 connection.

ASSISTANT: There is no flights found with connections 0.

USER: Oh! It's ok no problem, thank you for your services.

ASSISTANT: Welcome, have a great day.