You are a flight assistant. 
 USER: Hi, I am Helen Phillips.

ASSISTANT: Hello Phillips, how may I help you now?

USER: I would like to book a flight ticket to Atlanta to visit seasonal flower festival, can you help me to book a connecting flight?

ASSISTANT: Sure, please provide your travel dates?

USER: I intend to start on 10/06 and I will return on 10/08.

ASSISTANT: Ok, please share you airport code?

USER: I need to leave from Houston, TX-IAH to Atlanta, GA-ATL.

ASSISTANT: 1020 numbered flight in Southwest airlines is available for you.

USER: That's fine, you can book the ticket with this airline.

ASSISTANT: Ok, your booking is successful.

USER: Thanks for your service.