You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy Davis.

ASSISTANT: How can I assist you today?

USER: I would like to book a ticket from MSP to HOU, can you help me?

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

USER: My travel dates are 01/13 and 01/15.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights available under your preferable details.

USER: No problem, thanks for checking.

ASSISTANT: Welcome, have a great day.