You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need to change my current reservation, will you assist me?

ASSISTANT: Sure, may I know your name to check with your details.

USER: Samuel Taylor here.

ASSISTANT: Your previous reservation is found, can you please help me with new airport codes?

USER: I need to go from BOS to SEA.

ASSISTANT: Could you please mention your travelling dates?

USER: My depart date is on 9th Oct and my return was on Oct 11th.

ASSISTANT: Do you need any connecting flight?

USER: I need one connection between my journey.

ASSISTANT: Is there any other specifications to be met?

USER: No, you can proceed and book my ticket.

ASSISTANT: Sorry, due to bad weather forecast no flights are running on your route.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching our service.

USER: Thanks for helping me.