You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please book a flight ticket from SEA to DCA to meet my grand parents.

ASSISTANT: Sure, may I know your class preference please?

USER: My class preference is economy.

ASSISTANT: Can I know your name please?

USER: Kathleen Garcia here.

ASSISTANT: Tell me your travel dates please?

USER: Aug, 25 and Aug, 27 are my travel dates.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found a normal-cost airline that is Delta airlines which flies with one connection.

USER: Please go ahead.

ASSISTANT: Yes, I have confirmed your flight ticket in flight number 1029.

USER: Thank you.

ASSISTANT: Thank you.