You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Emily Walker here.

ASSISTANT: How may I aid you today?

USER:  I want to book a flight ticket for my two days trip from 11/19 to 11/21, can you help me?

ASSISTANT: Sure,I will help you with that. May I know your airport codes to proceed further?

USER: I want to fly from JFK to SEA.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I found a ticket for you with price 200, flight number is 1010 and connection is 0. Is it ok for you?

USER: I need 1 connection flight.

ASSISTANT: I am sorry to say that there is no flight found.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you so much.