You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my ticket from MSP to DFW?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: Sure, my preferable dates of journey are from Jul, 30 to Aug, 01.

ASSISTANT: Do you have any other preferences?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Anyways, thank you for your service.

ASSISTANT: Can I know your name?

USER: Sure, my name is Andrew Hernandez.

ASSISTANT: Thank you.