You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Richard Gonzalez here.

ASSISTANT: How may I help you today?

USER: I wish to ride Seattle Grand Wheel. Please help me to reach SEA from ORD.

ASSISTANT: Sure, may I know your travelling dates, please?

USER: February 22 and 24 are my scheduled trip dates.

ASSISTANT: Please wait a moment.

USER: Sure, I will be here.

ASSISTANT: There is a flight with one connection and the price is 200 in Southwest airlines, can I proceed with the reservation?

USER: Please make sure that the flight departs in the morning and arrives in the afternoon. I prefer to travel in the economy class.

ASSISTANT: Sorry, no flight tickets are available on your requirement.

USER: Oh! that's ok. Thanks for your time.

ASSISTANT: Thank you for reaching our service.