You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Justin Williams here.

ASSISTANT: Nice to meet you Williams.

USER: In the month of December there is a huge fog  in SEA, so I would like to travel from SFO, can you please help me out by booking a ticket?

ASSISTANT: Yes, I am here to help with that. On which dates you want to travel?

USER: My travelling dates are from 12/24 to 12/26.

ASSISTANT: Based on your travel details, I found a flight with airline UA and flight number 1003.

USER: Please proceed.

ASSISTANT: Your ticket has been booked successfully. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: It's my pleasure.