You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I have your name please?

USER: I am Dennis Hill.

ASSISTANT: Dennis Hill, how may I aid you now?

USER: I want to go for a long trip with my friends at Seattle. Can you help me in my booking?

ASSISTANT: Sure, to book a ticket can I have your airport codes?

USER: My airport codes are from Oakland, Ca - OAK to Seattle, WA - SEA.

ASSISTANT: On which dates you are willing to travel?

USER: My journey dates are from 10/18 to 10/20.

ASSISTANT: You have a flight with 1 connection of price 100 in Frontier airline.

USER: Proceed with my booking.

ASSISTANT: Reservation has been done with 1005 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for picking us.