You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I have to go New York, Due to official work. Can you book the ticket?

ASSISTANT: Sure. May I know the travelling dates?

USER: Journey dates are 01/26 and 01/28.

ASSISTANT: Let me know your name?

USER: I am Sandra Gonzalez.

ASSISTANT: Can you share your airport codes?

USER: Airport codes are SEA-EWR.

ASSISTANT: There is no flight found with your data.

USER: No issue, Thank you.

ASSISTANT: Thanks for connecting us.