You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Barbara Carter. I want to meet my client at Houston, can you please help me to book my flight ticket from MSP to IAH?

ASSISTANT: Sure, please provide your travel dates.

USER: Sure, I want to depart on Jan 18th and I will return back on Jan 20th in the evening.

ASSISTANT: Do you have any preferences?

USER: I prefer for a single connection flight.

ASSISTANT: Ok, do you have any other preferences?

USER: I prefer for a normal-cost airlines.

ASSISTANT: Sorry, I did not find any flights for you.

USER: Sad to hear that, thank you for checking.

ASSISTANT: Thank you for choosing us.