You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to travel from IAD to OAK, can you please help me in flight booking?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I want to fly on Aug 15, return on Aug 17.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I need a connecting flight.

ASSISTANT: Could you please provide your name for reservation purpose?

USER: My name is Emma Scott.

ASSISTANT: I found a flight-1004 in economy class, shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Ok, booking is done on Hawaiian airlines.

USER: Thank you.

ASSISTANT: Thanks for contacting us.