You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Betty Hall.

ASSISTANT: Good evening Betty.

USER: Very Good evening. While checking my recent reservation status I mistakenly cancelled my reservation and again I need booking to IAH from MSP, could you mind help me in booking?

ASSISTANT: Sure, may I know your journey dates please?

USER: Sure, my journey dates are from 02/06 to 02/08.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: There are no flights available at this moment, Betty.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for contacting us.