You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of assistance can I provide to you?

USER: In Houston HOU, I have some urgent work. Can you please help me in ticket booking from MSP?

ASSISTANT: Sure, on what dates will you be travelling?

USER: My travel dates are from 07/04 to 07/06.

ASSISTANT: Do you prefer a low cost airline or normal cost airline?

USER: I would prefer normal cost airline.

ASSISTANT: At what time will you depart and return?

USER: My departing time should be in the evening with 1 connection.

ASSISTANT: On what name you want me to make the reservation?

USER: Frank Davis.

ASSISTANT: Ok Frank Davis, there is an United airline with flight number 1009 going on your route from HOU to MSP and the airfare is 200. Is that fine?

USER: Please proceed.

ASSISTANT: Your booking has been done in economy class.

USER: Thank you.

ASSISTANT: Than you for choosing us.