You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to travel in a connection flight from IAD, can you help me to book a flight?

ASSISTANT: Sure, when are you planning to make your trip?

USER: My trip dates are 04/08 and 04/10.

ASSISTANT: What is your final destination?

USER: My destination airport code is OAK.

ASSISTANT: Which airline would you prefer to travel?

USER: Normal cost airline.

ASSISTANT: At what time would you like to depart and return?

USER: I am fine with any time.

ASSISTANT: On what name you want me to make the reservation?

USER: Please book under my name Kimberly Nelson.

ASSISTANT: Ok, there is a Hawaiian airline leaving from IAD and  arrive at OAK with a fare of 300. Is that fine?

USER: Proceed with booking.

ASSISTANT: Your booking has been done in flight 1005.

USER: Thank you.

ASSISTANT: Thank you for choosing us.