You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

USER: I am Christine Jones. I want to book a flight ticket.

ASSISTANT: Ok, may I know when you want to travel?

USER: 05/11 and 05/13 are my travelling dates.

ASSISTANT: Ok, can you provide me your airport codes?

USER: My source will be MN-MSP and destination is WA-SEA.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok. There are no flights available at this moment.

USER: Ok, no issue.

ASSISTANT: Thanks for your service.

USER: Thank you for your response.