You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Elizabeth taylor.

ASSISTANT: How can I aid you?

USER: I need to book a flight ticket from MSP to IAH, Can you please help me for booking?

ASSISTANT: Sure, may I know travel dates please?

USER: I would like to travel on 08/10 to return on 08/12.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight in evening times.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.