You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me with booking a flight ticket from IAH to DEN?

ASSISTANT: Can you give me your trip dates?

USER: My travelling dates are from Mar 08-10.

ASSISTANT: Do you need any connections?

USER: I am comfortable with any connection.

ASSISTANT: Are there any other preferences?

USER: No, I am comfortable with any flight.

ASSISTANT: May I know your name?

USER: Mary Baker here.

ASSISTANT: Sorry, there is no flight found under your details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.