You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please check out is there any flights available between PHL and DCA for my business meet?

ASSISTANT: Let me know your travel dates.

USER: Thank you for taking my request into consideration, my departure is on July 17 and please book my return ticket also on July 19.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Can I know your name?

USER: Sure, my name is Edward Davis.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Connecting flight can be booked with airline Hawaiian for price 100 having flight number 1025.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.