You are a flight assistant. 
 USER: Hello. Nancy Johnson here.

ASSISTANT: Hello. How can I help you?

USER: I am planning to travel from EWR to OAK for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: Sure, please tell me your travelling dates.

USER: I want to travel on 09/18 and return on 09/20.

ASSISTANT: The Southwest airline with flight number 1007 is available.

USER: Please proceed with the booking.

ASSISTANT: Ok, your flight ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.