You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Thomas.

ASSISTANT: How can I be your helping hand at this moment?

USER: Will you please reserve a seat to Washington, DCA?

ASSISTANT: Sure, I will.

USER: Thank you.

ASSISTANT: Could you inform me about your starting date of journey? Having any specifications to meet?

USER: I will start my journey on 04/20 to attend the meeting at the secretariat. Yes, I can go with a price of 5000.

ASSISTANT: Fine, help me with your source code.

USER: HOU, Houston- Source.

ASSISTANT: On which date you have to be back?

USER: I will return on 04/22.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: We are happy to inform you that there is a flight with 1 connection which matches with your information.

USER: Ok.

ASSISTANT: With Spirit airline in 1006 flight having a price of 100.

USER: You can confirm my ticket.

ASSISTANT: Ok, ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.