You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be at your service?

USER: Could you please book a flight ticket from MSP to IAH?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: I want to travel on Nov 18 and return on Nov 20.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Laura wright.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I want to return in the afternoon.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for availing us.