You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I render you today?

USER: I am planning to visit MSP. Can you please book me the ticket from IAH?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

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

USER: Please book the ticket with my name Gregory Walker.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need single halt in my route.

ASSISTANT: Ok, May I know your price limit?

USER: I can afford only 200.

ASSISTANT: Kindly mention your travelling dates?

USER: I want to depart on Feb 9 and would like to return on Feb 11.

ASSISTANT: Ok, please wait a moment, I will check the best flight for you.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry for the inconvenience, we did not found any flights with your preferred dates.

USER: That's ok, not an issue. I will find any alternate for this trip. Anyways, thank you for your time.

ASSISTANT: Thank you for choosing us. Have a great day!.