You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need you book my seat in a normal-cost airlines. Please help me.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: November 15 and 17 are my planned travelling dates.

ASSISTANT: Please provide your airport codes.

USER: LAX and SEA are the respective airport codes.

ASSISTANT: Do you have any specifications about flight connections?

USER: Yes, I need a connecting flight.

ASSISTANT: Please mention your name.

USER: My name is John Garcia.

ASSISTANT: There is no flights found under your preferable details.

USER: That's ok. Thank you.

ASSISTANT: Welcome, have a great day.