You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: My name is Margaret Roberts, I want to book a flight from HOU to meet my sister at MSP. Can you book a flight for me?

ASSISTANT: Sure, let me know your planned journey dates?

USER: I will travel on May 16 and return on May 18.

ASSISTANT: May I know your connection limit?

USER: I want a single connection flight.

ASSISTANT: Can you please share your depart and arrival timings?

USER: My depart time is in morning and return time is in evening.

ASSISTANT: Do you have any airline preference?

USER: Yes, I need a normal-cost airline.

ASSISTANT: Please give me a minute.

USER: Sure, I will wait for your reply.

ASSISTANT: Thanks for being patient, there is no flight found on your desired journey locations.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for approaching us.